Home / 144,177.06-198,930.33-83,711.83

Finding the Fourth Proportional to 144,177.06, 198,930.33 and 83,711.83

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Solution

The fourth proportional to 144,177.06, 198,930.33 and 83,711.83 is: 115,502.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,177.06 : 198,930.33 = 83,711.83 : x
  2. Step 2: Convert to fraction form
    144,177.06/198,930.33 = 83,711.83/x
  3. Step 3: Cross multiply
    144,177.06x = 198,930.33 × 83,711.83
  4. Step 4: Simplify right side
    144,177.06x = 16,652,821,842.47
  5. Step 5: Solve for x
    x = 16,652,821,842.47/144,177.06
  6. Step 6: Final answer
    x = 115,502.57

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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.