Home / 132,275.72-198,206.18-112,472.84

Finding the Fourth Proportional to 132,275.72, 198,206.18 and 112,472.84

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Solution

The fourth proportional to 132,275.72, 198,206.18 and 112,472.84 is: 168,532.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,275.72 : 198,206.18 = 112,472.84 : x
  2. Step 2: Convert to fraction form
    132,275.72/198,206.18 = 112,472.84/x
  3. Step 3: Cross multiply
    132,275.72x = 198,206.18 × 112,472.84
  4. Step 4: Simplify right side
    132,275.72x = 22,292,811,970.15
  5. Step 5: Solve for x
    x = 22,292,811,970.15/132,275.72
  6. Step 6: Final answer
    x = 168,532.91

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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.