Home / 179,025.76-268,538.55-85,247.20

Finding the Fourth Proportional to 179,025.76, 268,538.55 and 85,247.20

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Solution

The fourth proportional to 179,025.76, 268,538.55 and 85,247.20 is: 127,870.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,025.76 : 268,538.55 = 85,247.20 : x
  2. Step 2: Convert to fraction form
    179,025.76/268,538.55 = 85,247.20/x
  3. Step 3: Cross multiply
    179,025.76x = 268,538.55 × 85,247.20
  4. Step 4: Simplify right side
    179,025.76x = 22,892,159,479.56
  5. Step 5: Solve for x
    x = 22,892,159,479.56/179,025.76
  6. Step 6: Final answer
    x = 127,870.76

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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.