Home / 132,615.15-198,802.78-48,355.61

Finding the Fourth Proportional to 132,615.15, 198,802.78 and 48,355.61

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Solution

The fourth proportional to 132,615.15, 198,802.78 and 48,355.61 is: 72,489.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,615.15 : 198,802.78 = 48,355.61 : x
  2. Step 2: Convert to fraction form
    132,615.15/198,802.78 = 48,355.61/x
  3. Step 3: Cross multiply
    132,615.15x = 198,802.78 × 48,355.61
  4. Step 4: Simplify right side
    132,615.15x = 9,613,229,276.83
  5. Step 5: Solve for x
    x = 9,613,229,276.83/132,615.15
  6. Step 6: Final answer
    x = 72,489.68

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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.