Home / 217,905.91-326,671.66-75,732.71

Finding the Fourth Proportional to 217,905.91, 326,671.66 and 75,732.71

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Solution

The fourth proportional to 217,905.91, 326,671.66 and 75,732.71 is: 113,534.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,905.91 : 326,671.66 = 75,732.71 : x
  2. Step 2: Convert to fraction form
    217,905.91/326,671.66 = 75,732.71/x
  3. Step 3: Cross multiply
    217,905.91x = 326,671.66 × 75,732.71
  4. Step 4: Simplify right side
    217,905.91x = 24,739,730,092.00
  5. Step 5: Solve for x
    x = 24,739,730,092.00/217,905.91
  6. Step 6: Final answer
    x = 113,534.00

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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.