Home / 172,331.17-258,446.53-67,125.13

Finding the Fourth Proportional to 172,331.17, 258,446.53 and 67,125.13

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Solution

The fourth proportional to 172,331.17, 258,446.53 and 67,125.13 is: 100,668.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,331.17 : 258,446.53 = 67,125.13 : x
  2. Step 2: Convert to fraction form
    172,331.17/258,446.53 = 67,125.13/x
  3. Step 3: Cross multiply
    172,331.17x = 258,446.53 × 67,125.13
  4. Step 4: Simplify right side
    172,331.17x = 17,348,256,924.30
  5. Step 5: Solve for x
    x = 17,348,256,924.30/172,331.17
  6. Step 6: Final answer
    x = 100,668.13

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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.