Home / 662,146.10-993,228.26-188,831.51

Finding the Fourth Proportional to 662,146.10, 993,228.26 and 188,831.51

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Solution

The fourth proportional to 662,146.10, 993,228.26 and 188,831.51 is: 283,249.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,146.10 : 993,228.26 = 188,831.51 : x
  2. Step 2: Convert to fraction form
    662,146.10/993,228.26 = 188,831.51/x
  3. Step 3: Cross multiply
    662,146.10x = 993,228.26 × 188,831.51
  4. Step 4: Simplify right side
    662,146.10x = 187,552,786,200.17
  5. Step 5: Solve for x
    x = 187,552,786,200.17/662,146.10
  6. Step 6: Final answer
    x = 283,249.86

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.