Home / 260,698.14-391,195.12-140,753.48

Finding the Fourth Proportional to 260,698.14, 391,195.12 and 140,753.48

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Solution

The fourth proportional to 260,698.14, 391,195.12 and 140,753.48 is: 211,210.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,698.14 : 391,195.12 = 140,753.48 : x
  2. Step 2: Convert to fraction form
    260,698.14/391,195.12 = 140,753.48/x
  3. Step 3: Cross multiply
    260,698.14x = 391,195.12 × 140,753.48
  4. Step 4: Simplify right side
    260,698.14x = 55,062,074,499.02
  5. Step 5: Solve for x
    x = 55,062,074,499.02/260,698.14
  6. Step 6: Final answer
    x = 211,210.08

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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.