Home / 217,167.48-325,671.12-74,976.39

Finding the Fourth Proportional to 217,167.48, 325,671.12 and 74,976.39

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Solution

The fourth proportional to 217,167.48, 325,671.12 and 74,976.39 is: 112,436.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,167.48 : 325,671.12 = 74,976.39 : x
  2. Step 2: Convert to fraction form
    217,167.48/325,671.12 = 74,976.39/x
  3. Step 3: Cross multiply
    217,167.48x = 325,671.12 × 74,976.39
  4. Step 4: Simplify right side
    217,167.48x = 24,417,644,904.86
  5. Step 5: Solve for x
    x = 24,417,644,904.86/217,167.48
  6. Step 6: Final answer
    x = 112,436.93

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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.