Home / 156,360.73-215,791.08-130,822.04

Finding the Fourth Proportional to 156,360.73, 215,791.08 and 130,822.04

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Solution

The fourth proportional to 156,360.73, 215,791.08 and 130,822.04 is: 180,545.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,360.73 : 215,791.08 = 130,822.04 : x
  2. Step 2: Convert to fraction form
    156,360.73/215,791.08 = 130,822.04/x
  3. Step 3: Cross multiply
    156,360.73x = 215,791.08 × 130,822.04
  4. Step 4: Simplify right side
    156,360.73x = 28,230,229,299.40
  5. Step 5: Solve for x
    x = 28,230,229,299.40/156,360.73
  6. Step 6: Final answer
    x = 180,545.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.