Home / 131,454.38-181,407.04-71,025.04

Finding the Fourth Proportional to 131,454.38, 181,407.04 and 71,025.04

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Solution

The fourth proportional to 131,454.38, 181,407.04 and 71,025.04 is: 98,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,454.38 : 181,407.04 = 71,025.04 : x
  2. Step 2: Convert to fraction form
    131,454.38/181,407.04 = 71,025.04/x
  3. Step 3: Cross multiply
    131,454.38x = 181,407.04 × 71,025.04
  4. Step 4: Simplify right side
    131,454.38x = 12,884,441,641.20
  5. Step 5: Solve for x
    x = 12,884,441,641.20/131,454.38
  6. Step 6: Final answer
    x = 98,014.55

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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.