Home / 132,565.11-198,878.80-43,818.61

Finding the Fourth Proportional to 132,565.11, 198,878.80 and 43,818.61

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Solution

The fourth proportional to 132,565.11, 198,878.80 and 43,818.61 is: 65,738.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,565.11 : 198,878.80 = 43,818.61 : x
  2. Step 2: Convert to fraction form
    132,565.11/198,878.80 = 43,818.61/x
  3. Step 3: Cross multiply
    132,565.11x = 198,878.80 × 43,818.61
  4. Step 4: Simplify right side
    132,565.11x = 8,714,592,574.47
  5. Step 5: Solve for x
    x = 8,714,592,574.47/132,565.11
  6. Step 6: Final answer
    x = 65,738.21

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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.