Home / 185,870.52-278,649.12-80,610.24

Finding the Fourth Proportional to 185,870.52, 278,649.12 and 80,610.24

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Solution

The fourth proportional to 185,870.52, 278,649.12 and 80,610.24 is: 120,847.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,870.52 : 278,649.12 = 80,610.24 : x
  2. Step 2: Convert to fraction form
    185,870.52/278,649.12 = 80,610.24/x
  3. Step 3: Cross multiply
    185,870.52x = 278,649.12 × 80,610.24
  4. Step 4: Simplify right side
    185,870.52x = 22,461,972,438.99
  5. Step 5: Solve for x
    x = 22,461,972,438.99/185,870.52
  6. Step 6: Final answer
    x = 120,847.42

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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.