Home / 144,001.31-198,726.58-78,593.71

Finding the Fourth Proportional to 144,001.31, 198,726.58 and 78,593.71

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Solution

The fourth proportional to 144,001.31, 198,726.58 and 78,593.71 is: 108,461.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,001.31 : 198,726.58 = 78,593.71 : x
  2. Step 2: Convert to fraction form
    144,001.31/198,726.58 = 78,593.71/x
  3. Step 3: Cross multiply
    144,001.31x = 198,726.58 × 78,593.71
  4. Step 4: Simplify right side
    144,001.31x = 15,618,659,197.81
  5. Step 5: Solve for x
    x = 15,618,659,197.81/144,001.31
  6. Step 6: Final answer
    x = 108,461.92

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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.