Home / 215,351.85-323,003.11-57,592.61

Finding the Fourth Proportional to 215,351.85, 323,003.11 and 57,592.61

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Solution

The fourth proportional to 215,351.85, 323,003.11 and 57,592.61 is: 86,382.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,351.85 : 323,003.11 = 57,592.61 : x
  2. Step 2: Convert to fraction form
    215,351.85/323,003.11 = 57,592.61/x
  3. Step 3: Cross multiply
    215,351.85x = 323,003.11 × 57,592.61
  4. Step 4: Simplify right side
    215,351.85x = 18,602,592,143.02
  5. Step 5: Solve for x
    x = 18,602,592,143.02/215,351.85
  6. Step 6: Final answer
    x = 86,382.32

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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.