Home / 260,647.05-391,002.77-92,132.62

Finding the Fourth Proportional to 260,647.05, 391,002.77 and 92,132.62

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Solution

The fourth proportional to 260,647.05, 391,002.77 and 92,132.62 is: 138,210.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,647.05 : 391,002.77 = 92,132.62 : x
  2. Step 2: Convert to fraction form
    260,647.05/391,002.77 = 92,132.62/x
  3. Step 3: Cross multiply
    260,647.05x = 391,002.77 × 92,132.62
  4. Step 4: Simplify right side
    260,647.05x = 36,024,109,627.36
  5. Step 5: Solve for x
    x = 36,024,109,627.36/260,647.05
  6. Step 6: Final answer
    x = 138,210.31

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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.