Home / 259,962.78-389,944.17-93,750.78

Finding the Fourth Proportional to 259,962.78, 389,944.17 and 93,750.78

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Solution

The fourth proportional to 259,962.78, 389,944.17 and 93,750.78 is: 140,626.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,962.78 : 389,944.17 = 93,750.78 : x
  2. Step 2: Convert to fraction form
    259,962.78/389,944.17 = 93,750.78/x
  3. Step 3: Cross multiply
    259,962.78x = 389,944.17 × 93,750.78
  4. Step 4: Simplify right side
    259,962.78x = 36,557,570,093.95
  5. Step 5: Solve for x
    x = 36,557,570,093.95/259,962.78
  6. Step 6: Final answer
    x = 140,626.17

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Similar ratio
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1.5x scale

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.