Home / 230,511.38-345,923.19-80,752.91

Finding the Fourth Proportional to 230,511.38, 345,923.19 and 80,752.91

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Solution

The fourth proportional to 230,511.38, 345,923.19 and 80,752.91 is: 121,184.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,511.38 : 345,923.19 = 80,752.91 : x
  2. Step 2: Convert to fraction form
    230,511.38/345,923.19 = 80,752.91/x
  3. Step 3: Cross multiply
    230,511.38x = 345,923.19 × 80,752.91
  4. Step 4: Simplify right side
    230,511.38x = 27,934,302,499.37
  5. Step 5: Solve for x
    x = 27,934,302,499.37/230,511.38
  6. Step 6: Final answer
    x = 121,184.05

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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.