Home / 177,434.10-266,151.15-121,446.90

Finding the Fourth Proportional to 177,434.10, 266,151.15 and 121,446.90

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Solution

The fourth proportional to 177,434.10, 266,151.15 and 121,446.90 is: 182,170.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,434.10 : 266,151.15 = 121,446.90 : x
  2. Step 2: Convert to fraction form
    177,434.10/266,151.15 = 121,446.90/x
  3. Step 3: Cross multiply
    177,434.10x = 266,151.15 × 121,446.90
  4. Step 4: Simplify right side
    177,434.10x = 32,323,232,098.94
  5. Step 5: Solve for x
    x = 32,323,232,098.94/177,434.10
  6. Step 6: Final answer
    x = 182,170.35

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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.