Home / 325,867.05-488,834.33-89,209.76

Finding the Fourth Proportional to 325,867.05, 488,834.33 and 89,209.76

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Solution

The fourth proportional to 325,867.05, 488,834.33 and 89,209.76 is: 133,823.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,867.05 : 488,834.33 = 89,209.76 : x
  2. Step 2: Convert to fraction form
    325,867.05/488,834.33 = 89,209.76/x
  3. Step 3: Cross multiply
    325,867.05x = 488,834.33 × 89,209.76
  4. Step 4: Simplify right side
    325,867.05x = 43,608,790,368.84
  5. Step 5: Solve for x
    x = 43,608,790,368.84/325,867.05
  6. Step 6: Final answer
    x = 133,823.87

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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.