Home / 123,252.46-170,088.42-66,663.85

Finding the Fourth Proportional to 123,252.46, 170,088.42 and 66,663.85

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Solution

The fourth proportional to 123,252.46, 170,088.42 and 66,663.85 is: 91,996.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,252.46 : 170,088.42 = 66,663.85 : x
  2. Step 2: Convert to fraction form
    123,252.46/170,088.42 = 66,663.85/x
  3. Step 3: Cross multiply
    123,252.46x = 170,088.42 × 66,663.85
  4. Step 4: Simplify right side
    123,252.46x = 11,338,748,917.62
  5. Step 5: Solve for x
    x = 11,338,748,917.62/123,252.46
  6. Step 6: Final answer
    x = 91,996.13

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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.