Home / 132,472.32-198,714.96-43,709.28

Finding the Fourth Proportional to 132,472.32, 198,714.96 and 43,709.28

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Solution

The fourth proportional to 132,472.32, 198,714.96 and 43,709.28 is: 65,566.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,472.32 : 198,714.96 = 43,709.28 : x
  2. Step 2: Convert to fraction form
    132,472.32/198,714.96 = 43,709.28/x
  3. Step 3: Cross multiply
    132,472.32x = 198,714.96 × 43,709.28
  4. Step 4: Simplify right side
    132,472.32x = 8,685,687,826.83
  5. Step 5: Solve for x
    x = 8,685,687,826.83/132,472.32
  6. Step 6: Final answer
    x = 65,566.06

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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.