Home / 215,927.16-323,854.02-58,120.44

Finding the Fourth Proportional to 215,927.16, 323,854.02 and 58,120.44

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Solution

The fourth proportional to 215,927.16, 323,854.02 and 58,120.44 is: 87,170.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,927.16 : 323,854.02 = 58,120.44 : x
  2. Step 2: Convert to fraction form
    215,927.16/323,854.02 = 58,120.44/x
  3. Step 3: Cross multiply
    215,927.16x = 323,854.02 × 58,120.44
  4. Step 4: Simplify right side
    215,927.16x = 18,822,538,138.17
  5. Step 5: Solve for x
    x = 18,822,538,138.17/215,927.16
  6. Step 6: Final answer
    x = 87,170.78

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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.