Home / 156,833.52-235,118.03-68,020.13

Finding the Fourth Proportional to 156,833.52, 235,118.03 and 68,020.13

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Solution

The fourth proportional to 156,833.52, 235,118.03 and 68,020.13 is: 101,972.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,833.52 : 235,118.03 = 68,020.13 : x
  2. Step 2: Convert to fraction form
    156,833.52/235,118.03 = 68,020.13/x
  3. Step 3: Cross multiply
    156,833.52x = 235,118.03 × 68,020.13
  4. Step 4: Simplify right side
    156,833.52x = 15,992,757,891.10
  5. Step 5: Solve for x
    x = 15,992,757,891.10/156,833.52
  6. Step 6: Final answer
    x = 101,972.83

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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.