Home / 136,088.22-187,805.82-74,831.24

Finding the Fourth Proportional to 136,088.22, 187,805.82 and 74,831.24

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Solution

The fourth proportional to 136,088.22, 187,805.82 and 74,831.24 is: 103,269.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,088.22 : 187,805.82 = 74,831.24 : x
  2. Step 2: Convert to fraction form
    136,088.22/187,805.82 = 74,831.24/x
  3. Step 3: Cross multiply
    136,088.22x = 187,805.82 × 74,831.24
  4. Step 4: Simplify right side
    136,088.22x = 14,053,742,389.82
  5. Step 5: Solve for x
    x = 14,053,742,389.82/136,088.22
  6. Step 6: Final answer
    x = 103,269.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.