Home / 177,136.13-244,535.14-122,729.56

Finding the Fourth Proportional to 177,136.13, 244,535.14 and 122,729.56

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Solution

The fourth proportional to 177,136.13, 244,535.14 and 122,729.56 is: 169,427.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,136.13 : 244,535.14 = 122,729.56 : x
  2. Step 2: Convert to fraction form
    177,136.13/244,535.14 = 122,729.56/x
  3. Step 3: Cross multiply
    177,136.13x = 244,535.14 × 122,729.56
  4. Step 4: Simplify right side
    177,136.13x = 30,011,690,363.97
  5. Step 5: Solve for x
    x = 30,011,690,363.97/177,136.13
  6. Step 6: Final answer
    x = 169,427.26

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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.