Home / 132,456.50-198,685.23-125,812.34

Finding the Fourth Proportional to 132,456.50, 198,685.23 and 125,812.34

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Solution

The fourth proportional to 132,456.50, 198,685.23 and 125,812.34 is: 188,718.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,456.50 : 198,685.23 = 125,812.34 : x
  2. Step 2: Convert to fraction form
    132,456.50/198,685.23 = 125,812.34/x
  3. Step 3: Cross multiply
    132,456.50x = 198,685.23 × 125,812.34
  4. Step 4: Simplify right side
    132,456.50x = 24,997,053,709.74
  5. Step 5: Solve for x
    x = 24,997,053,709.74/132,456.50
  6. Step 6: Final answer
    x = 188,718.97

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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.