Home / 220,897.26-331,444.44-115,691.76

Finding the Fourth Proportional to 220,897.26, 331,444.44 and 115,691.76

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Solution

The fourth proportional to 220,897.26, 331,444.44 and 115,691.76 is: 173,589.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,897.26 : 331,444.44 = 115,691.76 : x
  2. Step 2: Convert to fraction form
    220,897.26/331,444.44 = 115,691.76/x
  3. Step 3: Cross multiply
    220,897.26x = 331,444.44 × 115,691.76
  4. Step 4: Simplify right side
    220,897.26x = 38,345,390,605.81
  5. Step 5: Solve for x
    x = 38,345,390,605.81/220,897.26
  6. Step 6: Final answer
    x = 173,589.25

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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.