Home / 199,379.17-274,987.76-127,765.86

Finding the Fourth Proportional to 199,379.17, 274,987.76 and 127,765.86

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Solution

The fourth proportional to 199,379.17, 274,987.76 and 127,765.86 is: 176,217.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,379.17 : 274,987.76 = 127,765.86 : x
  2. Step 2: Convert to fraction form
    199,379.17/274,987.76 = 127,765.86/x
  3. Step 3: Cross multiply
    199,379.17x = 274,987.76 × 127,765.86
  4. Step 4: Simplify right side
    199,379.17x = 35,134,046,694.52
  5. Step 5: Solve for x
    x = 35,134,046,694.52/199,379.17
  6. Step 6: Final answer
    x = 176,217.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.