Home / 465,433.18-698,189.82-128,473.88

Finding the Fourth Proportional to 465,433.18, 698,189.82 and 128,473.88

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Solution

The fourth proportional to 465,433.18, 698,189.82 and 128,473.88 is: 192,721.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,433.18 : 698,189.82 = 128,473.88 : x
  2. Step 2: Convert to fraction form
    465,433.18/698,189.82 = 128,473.88/x
  3. Step 3: Cross multiply
    465,433.18x = 698,189.82 × 128,473.88
  4. Step 4: Simplify right side
    465,433.18x = 89,699,155,151.90
  5. Step 5: Solve for x
    x = 89,699,155,151.90/465,433.18
  6. Step 6: Final answer
    x = 192,721.88

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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.