Home / 215,927.41-323,854.40-58,120.69

Finding the Fourth Proportional to 215,927.41, 323,854.40 and 58,120.69

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Solution

The fourth proportional to 215,927.41, 323,854.40 and 58,120.69 is: 87,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,927.41 : 323,854.40 = 58,120.69 : x
  2. Step 2: Convert to fraction form
    215,927.41/323,854.40 = 58,120.69/x
  3. Step 3: Cross multiply
    215,927.41x = 323,854.40 × 58,120.69
  4. Step 4: Simplify right side
    215,927.41x = 18,822,640,896.93
  5. Step 5: Solve for x
    x = 18,822,640,896.93/215,927.41
  6. Step 6: Final answer
    x = 87,171.15

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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.