Home / 132,882.83-199,417.65-120,178.07

Finding the Fourth Proportional to 132,882.83, 199,417.65 and 120,178.07

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Solution

The fourth proportional to 132,882.83, 199,417.65 and 120,178.07 is: 180,351.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,882.83 : 199,417.65 = 120,178.07 : x
  2. Step 2: Convert to fraction form
    132,882.83/199,417.65 = 120,178.07/x
  3. Step 3: Cross multiply
    132,882.83x = 199,417.65 × 120,178.07
  4. Step 4: Simplify right side
    132,882.83x = 23,965,627,700.05
  5. Step 5: Solve for x
    x = 23,965,627,700.05/132,882.83
  6. Step 6: Final answer
    x = 180,351.58

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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.