Home / 132,384.30-198,576.45-117,869.10

Finding the Fourth Proportional to 132,384.30, 198,576.45 and 117,869.10

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Solution

The fourth proportional to 132,384.30, 198,576.45 and 117,869.10 is: 176,803.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,384.30 : 198,576.45 = 117,869.10 : x
  2. Step 2: Convert to fraction form
    132,384.30/198,576.45 = 117,869.10/x
  3. Step 3: Cross multiply
    132,384.30x = 198,576.45 × 117,869.10
  4. Step 4: Simplify right side
    132,384.30x = 23,406,027,442.70
  5. Step 5: Solve for x
    x = 23,406,027,442.70/132,384.30
  6. Step 6: Final answer
    x = 176,803.65

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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.