Home / 325,849.61-488,771.38-89,191.91

Finding the Fourth Proportional to 325,849.61, 488,771.38 and 89,191.91

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Solution

The fourth proportional to 325,849.61, 488,771.38 and 89,191.91 is: 133,787.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,849.61 : 488,771.38 = 89,191.91 : x
  2. Step 2: Convert to fraction form
    325,849.61/488,771.38 = 89,191.91/x
  3. Step 3: Cross multiply
    325,849.61x = 488,771.38 × 89,191.91
  4. Step 4: Simplify right side
    325,849.61x = 43,594,452,935.54
  5. Step 5: Solve for x
    x = 43,594,452,935.54/325,849.61
  6. Step 6: Final answer
    x = 133,787.03

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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.