Home / 261,358.76-391,932.60-101,350.44

Finding the Fourth Proportional to 261,358.76, 391,932.60 and 101,350.44

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Solution

The fourth proportional to 261,358.76, 391,932.60 and 101,350.44 is: 151,984.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,358.76 : 391,932.60 = 101,350.44 : x
  2. Step 2: Convert to fraction form
    261,358.76/391,932.60 = 101,350.44/x
  3. Step 3: Cross multiply
    261,358.76x = 391,932.60 × 101,350.44
  4. Step 4: Simplify right side
    261,358.76x = 39,722,541,460.34
  5. Step 5: Solve for x
    x = 39,722,541,460.34/261,358.76
  6. Step 6: Final answer
    x = 151,984.74

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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.