Home / 185,632.80-278,449.20-60,986.40

Finding the Fourth Proportional to 185,632.80, 278,449.20 and 60,986.40

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Solution

The fourth proportional to 185,632.80, 278,449.20 and 60,986.40 is: 91,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,632.80 : 278,449.20 = 60,986.40 : x
  2. Step 2: Convert to fraction form
    185,632.80/278,449.20 = 60,986.40/x
  3. Step 3: Cross multiply
    185,632.80x = 278,449.20 × 60,986.40
  4. Step 4: Simplify right side
    185,632.80x = 16,981,614,290.88
  5. Step 5: Solve for x
    x = 16,981,614,290.88/185,632.80
  6. Step 6: Final answer
    x = 91,479.60

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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.