Home / 187,434.30-281,151.45-169,355.10

Finding the Fourth Proportional to 187,434.30, 281,151.45 and 169,355.10

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Solution

The fourth proportional to 187,434.30, 281,151.45 and 169,355.10 is: 254,032.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,434.30 : 281,151.45 = 169,355.10 : x
  2. Step 2: Convert to fraction form
    187,434.30/281,151.45 = 169,355.10/x
  3. Step 3: Cross multiply
    187,434.30x = 281,151.45 × 169,355.10
  4. Step 4: Simplify right side
    187,434.30x = 47,614,431,929.90
  5. Step 5: Solve for x
    x = 47,614,431,929.90/187,434.30
  6. Step 6: Final answer
    x = 254,032.65

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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.