Home / 198,484.46-297,726.23-86,150.12

Finding the Fourth Proportional to 198,484.46, 297,726.23 and 86,150.12

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Solution

The fourth proportional to 198,484.46, 297,726.23 and 86,150.12 is: 129,224.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,484.46 : 297,726.23 = 86,150.12 : x
  2. Step 2: Convert to fraction form
    198,484.46/297,726.23 = 86,150.12/x
  3. Step 3: Cross multiply
    198,484.46x = 297,726.23 × 86,150.12
  4. Step 4: Simplify right side
    198,484.46x = 25,649,149,168.39
  5. Step 5: Solve for x
    x = 25,649,149,168.39/198,484.46
  6. Step 6: Final answer
    x = 129,224.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.