Home / 445,196.52-667,545.03-192,319.11

Finding the Fourth Proportional to 445,196.52, 667,545.03 and 192,319.11

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Solution

The fourth proportional to 445,196.52, 667,545.03 and 192,319.11 is: 288,370.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,196.52 : 667,545.03 = 192,319.11 : x
  2. Step 2: Convert to fraction form
    445,196.52/667,545.03 = 192,319.11/x
  3. Step 3: Cross multiply
    445,196.52x = 667,545.03 × 192,319.11
  4. Step 4: Simplify right side
    445,196.52x = 128,381,666,054.52
  5. Step 5: Solve for x
    x = 128,381,666,054.52/445,196.52
  6. Step 6: Final answer
    x = 288,370.78

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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.