Home / 214,565.92-321,849.15-74,324.53

Finding the Fourth Proportional to 214,565.92, 321,849.15 and 74,324.53

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Solution

The fourth proportional to 214,565.92, 321,849.15 and 74,324.53 is: 111,486.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,565.92 : 321,849.15 = 74,324.53 : x
  2. Step 2: Convert to fraction form
    214,565.92/321,849.15 = 74,324.53/x
  3. Step 3: Cross multiply
    214,565.92x = 321,849.15 × 74,324.53
  4. Step 4: Simplify right side
    214,565.92x = 23,921,286,804.65
  5. Step 5: Solve for x
    x = 23,921,286,804.65/214,565.92
  6. Step 6: Final answer
    x = 111,486.89

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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.