Home / 319,545.27-479,565.41-120,046.95

Finding the Fourth Proportional to 319,545.27, 479,565.41 and 120,046.95

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Solution

The fourth proportional to 319,545.27, 479,565.41 and 120,046.95 is: 180,163.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,545.27 : 479,565.41 = 120,046.95 : x
  2. Step 2: Convert to fraction form
    319,545.27/479,565.41 = 120,046.95/x
  3. Step 3: Cross multiply
    319,545.27x = 479,565.41 × 120,046.95
  4. Step 4: Simplify right side
    319,545.27x = 57,570,364,195.76
  5. Step 5: Solve for x
    x = 57,570,364,195.76/319,545.27
  6. Step 6: Final answer
    x = 180,163.41

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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.