Home / 132,711.10-199,066.65-101,218.30

Finding the Fourth Proportional to 132,711.10, 199,066.65 and 101,218.30

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Solution

The fourth proportional to 132,711.10, 199,066.65 and 101,218.30 is: 151,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,711.10 : 199,066.65 = 101,218.30 : x
  2. Step 2: Convert to fraction form
    132,711.10/199,066.65 = 101,218.30/x
  3. Step 3: Cross multiply
    132,711.10x = 199,066.65 × 101,218.30
  4. Step 4: Simplify right side
    132,711.10x = 20,149,187,899.70
  5. Step 5: Solve for x
    x = 20,149,187,899.70/132,711.10
  6. Step 6: Final answer
    x = 151,827.45

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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.