Home / 185,964.42-278,944.20-45,724.26

Finding the Fourth Proportional to 185,964.42, 278,944.20 and 45,724.26

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Solution

The fourth proportional to 185,964.42, 278,944.20 and 45,724.26 is: 68,585.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,964.42 : 278,944.20 = 45,724.26 : x
  2. Step 2: Convert to fraction form
    185,964.42/278,944.20 = 45,724.26/x
  3. Step 3: Cross multiply
    185,964.42x = 278,944.20 × 45,724.26
  4. Step 4: Simplify right side
    185,964.42x = 12,754,517,126.29
  5. Step 5: Solve for x
    x = 12,754,517,126.29/185,964.42
  6. Step 6: Final answer
    x = 68,585.79

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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.