Home / 197,454.16-272,203.32-140,767.12

Finding the Fourth Proportional to 197,454.16, 272,203.32 and 140,767.12

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Solution

The fourth proportional to 197,454.16, 272,203.32 and 140,767.12 is: 194,056.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,454.16 : 272,203.32 = 140,767.12 : x
  2. Step 2: Convert to fraction form
    197,454.16/272,203.32 = 140,767.12/x
  3. Step 3: Cross multiply
    197,454.16x = 272,203.32 × 140,767.12
  4. Step 4: Simplify right side
    197,454.16x = 38,317,276,730.33
  5. Step 5: Solve for x
    x = 38,317,276,730.33/197,454.16
  6. Step 6: Final answer
    x = 194,056.57

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1.5x scale

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.