Home / 134,505.68-185,640.03-102,614.36

Finding the Fourth Proportional to 134,505.68, 185,640.03 and 102,614.36

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Solution

The fourth proportional to 134,505.68, 185,640.03 and 102,614.36 is: 141,624.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,505.68 : 185,640.03 = 102,614.36 : x
  2. Step 2: Convert to fraction form
    134,505.68/185,640.03 = 102,614.36/x
  3. Step 3: Cross multiply
    134,505.68x = 185,640.03 × 102,614.36
  4. Step 4: Simplify right side
    134,505.68x = 19,049,332,868.83
  5. Step 5: Solve for x
    x = 19,049,332,868.83/134,505.68
  6. Step 6: Final answer
    x = 141,624.75

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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.