Home / 132,561.90-198,624.15-124,688.70

Finding the Fourth Proportional to 132,561.90, 198,624.15 and 124,688.70

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Solution

The fourth proportional to 132,561.90, 198,624.15 and 124,688.70 is: 186,827.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,561.90 : 198,624.15 = 124,688.70 : x
  2. Step 2: Convert to fraction form
    132,561.90/198,624.15 = 124,688.70/x
  3. Step 3: Cross multiply
    132,561.90x = 198,624.15 × 124,688.70
  4. Step 4: Simplify right side
    132,561.90x = 24,766,187,052.11
  5. Step 5: Solve for x
    x = 24,766,187,052.11/132,561.90
  6. Step 6: Final answer
    x = 186,827.34

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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.