Home / 185,714.48-278,584.68-80,539.76

Finding the Fourth Proportional to 185,714.48, 278,584.68 and 80,539.76

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Solution

The fourth proportional to 185,714.48, 278,584.68 and 80,539.76 is: 120,815.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,714.48 : 278,584.68 = 80,539.76 : x
  2. Step 2: Convert to fraction form
    185,714.48/278,584.68 = 80,539.76/x
  3. Step 3: Cross multiply
    185,714.48x = 278,584.68 × 80,539.76
  4. Step 4: Simplify right side
    185,714.48x = 22,437,143,266.88
  5. Step 5: Solve for x
    x = 22,437,143,266.88/185,714.48
  6. Step 6: Final answer
    x = 120,815.26

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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.