Home / 451,211.65-676,829.30-131,350.59

Finding the Fourth Proportional to 451,211.65, 676,829.30 and 131,350.59

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Solution

The fourth proportional to 451,211.65, 676,829.30 and 131,350.59 is: 197,029.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,211.65 : 676,829.30 = 131,350.59 : x
  2. Step 2: Convert to fraction form
    451,211.65/676,829.30 = 131,350.59/x
  3. Step 3: Cross multiply
    451,211.65x = 676,829.30 × 131,350.59
  4. Step 4: Simplify right side
    451,211.65x = 88,901,927,227.53
  5. Step 5: Solve for x
    x = 88,901,927,227.53/451,211.65
  6. Step 6: Final answer
    x = 197,029.33

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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.