Home / 372,234.91-513,545.00-219,179.54

Finding the Fourth Proportional to 372,234.91, 513,545.00 and 219,179.54

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Solution

The fourth proportional to 372,234.91, 513,545.00 and 219,179.54 is: 302,385.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,234.91 : 513,545.00 = 219,179.54 : x
  2. Step 2: Convert to fraction form
    372,234.91/513,545.00 = 219,179.54/x
  3. Step 3: Cross multiply
    372,234.91x = 513,545.00 × 219,179.54
  4. Step 4: Simplify right side
    372,234.91x = 112,558,554,849.52
  5. Step 5: Solve for x
    x = 112,558,554,849.52/372,234.91
  6. Step 6: Final answer
    x = 302,385.81

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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.