Home / 260,997.14-391,503.78-124,190.24

Finding the Fourth Proportional to 260,997.14, 391,503.78 and 124,190.24

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Solution

The fourth proportional to 260,997.14, 391,503.78 and 124,190.24 is: 186,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,997.14 : 391,503.78 = 124,190.24 : x
  2. Step 2: Convert to fraction form
    260,997.14/391,503.78 = 124,190.24/x
  3. Step 3: Cross multiply
    260,997.14x = 391,503.78 × 124,190.24
  4. Step 4: Simplify right side
    260,997.14x = 48,620,948,399.11
  5. Step 5: Solve for x
    x = 48,620,948,399.11/260,997.14
  6. Step 6: Final answer
    x = 186,289.20

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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.