Home / 123,126.39-183,799.24-108,179.61

Finding the Fourth Proportional to 123,126.39, 183,799.24 and 108,179.61

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Solution

The fourth proportional to 123,126.39, 183,799.24 and 108,179.61 is: 161,487.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,126.39 : 183,799.24 = 108,179.61 : x
  2. Step 2: Convert to fraction form
    123,126.39/183,799.24 = 108,179.61/x
  3. Step 3: Cross multiply
    123,126.39x = 183,799.24 × 108,179.61
  4. Step 4: Simplify right side
    123,126.39x = 19,883,330,586.27
  5. Step 5: Solve for x
    x = 19,883,330,586.27/123,126.39
  6. Step 6: Final answer
    x = 161,487.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.