Home / 185,885.44-278,671.38-80,625.13

Finding the Fourth Proportional to 185,885.44, 278,671.38 and 80,625.13

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Solution

The fourth proportional to 185,885.44, 278,671.38 and 80,625.13 is: 120,869.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,885.44 : 278,671.38 = 80,625.13 : x
  2. Step 2: Convert to fraction form
    185,885.44/278,671.38 = 80,625.13/x
  3. Step 3: Cross multiply
    185,885.44x = 278,671.38 × 80,625.13
  4. Step 4: Simplify right side
    185,885.44x = 22,467,916,239.78
  5. Step 5: Solve for x
    x = 22,467,916,239.78/185,885.44
  6. Step 6: Final answer
    x = 120,869.69

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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.