Home / 132,356.10-198,534.15-43,623.30

Finding the Fourth Proportional to 132,356.10, 198,534.15 and 43,623.30

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Solution

The fourth proportional to 132,356.10, 198,534.15 and 43,623.30 is: 65,434.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,356.10 : 198,534.15 = 43,623.30 : x
  2. Step 2: Convert to fraction form
    132,356.10/198,534.15 = 43,623.30/x
  3. Step 3: Cross multiply
    132,356.10x = 198,534.15 × 43,623.30
  4. Step 4: Simplify right side
    132,356.10x = 8,660,714,785.70
  5. Step 5: Solve for x
    x = 8,660,714,785.70/132,356.10
  6. Step 6: Final answer
    x = 65,434.95

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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.