Home / 132,315.30-198,728.27-113,382.87

Finding the Fourth Proportional to 132,315.30, 198,728.27 and 113,382.87

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Solution

The fourth proportional to 132,315.30, 198,728.27 and 113,382.87 is: 170,293.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,315.30 : 198,728.27 = 113,382.87 : x
  2. Step 2: Convert to fraction form
    132,315.30/198,728.27 = 113,382.87/x
  3. Step 3: Cross multiply
    132,315.30x = 198,728.27 × 113,382.87
  4. Step 4: Simplify right side
    132,315.30x = 22,532,381,035.82
  5. Step 5: Solve for x
    x = 22,532,381,035.82/132,315.30
  6. Step 6: Final answer
    x = 170,293.09

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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.