Home / 156,974.40-235,132.20-123,536.52

Finding the Fourth Proportional to 156,974.40, 235,132.20 and 123,536.52

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Solution

The fourth proportional to 156,974.40, 235,132.20 and 123,536.52 is: 185,045.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,974.40 : 235,132.20 = 123,536.52 : x
  2. Step 2: Convert to fraction form
    156,974.40/235,132.20 = 123,536.52/x
  3. Step 3: Cross multiply
    156,974.40x = 235,132.20 × 123,536.52
  4. Step 4: Simplify right side
    156,974.40x = 29,047,413,727.94
  5. Step 5: Solve for x
    x = 29,047,413,727.94/156,974.40
  6. Step 6: Final answer
    x = 185,045.55

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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.