Home / 156,843.18-235,132.47-68,029.83

Finding the Fourth Proportional to 156,843.18, 235,132.47 and 68,029.83

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Solution

The fourth proportional to 156,843.18, 235,132.47 and 68,029.83 is: 101,987.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,843.18 : 235,132.47 = 68,029.83 : x
  2. Step 2: Convert to fraction form
    156,843.18/235,132.47 = 68,029.83/x
  3. Step 3: Cross multiply
    156,843.18x = 235,132.47 × 68,029.83
  4. Step 4: Simplify right side
    156,843.18x = 15,996,021,961.58
  5. Step 5: Solve for x
    x = 15,996,021,961.58/156,843.18
  6. Step 6: Final answer
    x = 101,987.36

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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.