Home / 173,872.20-260,808.30-85,182.60

Finding the Fourth Proportional to 173,872.20, 260,808.30 and 85,182.60

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Solution

The fourth proportional to 173,872.20, 260,808.30 and 85,182.60 is: 127,773.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,872.20 : 260,808.30 = 85,182.60 : x
  2. Step 2: Convert to fraction form
    173,872.20/260,808.30 = 85,182.60/x
  3. Step 3: Cross multiply
    173,872.20x = 260,808.30 × 85,182.60
  4. Step 4: Simplify right side
    173,872.20x = 22,216,329,095.58
  5. Step 5: Solve for x
    x = 22,216,329,095.58/173,872.20
  6. Step 6: Final answer
    x = 127,773.90

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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.