Home / 132,150.48-198,095.40-84,630.61

Finding the Fourth Proportional to 132,150.48, 198,095.40 and 84,630.61

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Solution

The fourth proportional to 132,150.48, 198,095.40 and 84,630.61 is: 126,862.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,150.48 : 198,095.40 = 84,630.61 : x
  2. Step 2: Convert to fraction form
    132,150.48/198,095.40 = 84,630.61/x
  3. Step 3: Cross multiply
    132,150.48x = 198,095.40 × 84,630.61
  4. Step 4: Simplify right side
    132,150.48x = 16,764,934,540.19
  5. Step 5: Solve for x
    x = 16,764,934,540.19/132,150.48
  6. Step 6: Final answer
    x = 126,862.46

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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.