Home / 132,882.32-183,228.64-108,607.95

Finding the Fourth Proportional to 132,882.32, 183,228.64 and 108,607.95

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Solution

The fourth proportional to 132,882.32, 183,228.64 and 108,607.95 is: 149,757.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,882.32 : 183,228.64 = 108,607.95 : x
  2. Step 2: Convert to fraction form
    132,882.32/183,228.64 = 108,607.95/x
  3. Step 3: Cross multiply
    132,882.32x = 183,228.64 × 108,607.95
  4. Step 4: Simplify right side
    132,882.32x = 19,900,086,700.17
  5. Step 5: Solve for x
    x = 19,900,086,700.17/132,882.32
  6. Step 6: Final answer
    x = 149,757.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.