Home / 132,077.42-198,013.80-43,275.50

Finding the Fourth Proportional to 132,077.42, 198,013.80 and 43,275.50

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Solution

The fourth proportional to 132,077.42, 198,013.80 and 43,275.50 is: 64,879.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,077.42 : 198,013.80 = 43,275.50 : x
  2. Step 2: Convert to fraction form
    132,077.42/198,013.80 = 43,275.50/x
  3. Step 3: Cross multiply
    132,077.42x = 198,013.80 × 43,275.50
  4. Step 4: Simplify right side
    132,077.42x = 8,569,146,201.90
  5. Step 5: Solve for x
    x = 8,569,146,201.90/132,077.42
  6. Step 6: Final answer
    x = 64,879.72

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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.