Home / 132,340.80-198,468.54-43,573.18

Finding the Fourth Proportional to 132,340.80, 198,468.54 and 43,573.18

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Solution

The fourth proportional to 132,340.80, 198,468.54 and 43,573.18 is: 65,345.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,340.80 : 198,468.54 = 43,573.18 : x
  2. Step 2: Convert to fraction form
    132,340.80/198,468.54 = 43,573.18/x
  3. Step 3: Cross multiply
    132,340.80x = 198,468.54 × 43,573.18
  4. Step 4: Simplify right side
    132,340.80x = 8,647,905,417.76
  5. Step 5: Solve for x
    x = 8,647,905,417.76/132,340.80
  6. Step 6: Final answer
    x = 65,345.72

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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.