Home / 135,022.90-202,437.15-75,876.70

Finding the Fourth Proportional to 135,022.90, 202,437.15 and 75,876.70

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Solution

The fourth proportional to 135,022.90, 202,437.15 and 75,876.70 is: 113,760.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,022.90 : 202,437.15 = 75,876.70 : x
  2. Step 2: Convert to fraction form
    135,022.90/202,437.15 = 75,876.70/x
  3. Step 3: Cross multiply
    135,022.90x = 202,437.15 × 75,876.70
  4. Step 4: Simplify right side
    135,022.90x = 15,360,262,899.41
  5. Step 5: Solve for x
    x = 15,360,262,899.41/135,022.90
  6. Step 6: Final answer
    x = 113,760.43

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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.