Home / 80,159.06-120,198.70-26,832.50

Finding the Fourth Proportional to 80,159.06, 120,198.70 and 26,832.50

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Solution

The fourth proportional to 80,159.06, 120,198.70 and 26,832.50 is: 40,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,159.06 : 120,198.70 = 26,832.50 : x
  2. Step 2: Convert to fraction form
    80,159.06/120,198.70 = 26,832.50/x
  3. Step 3: Cross multiply
    80,159.06x = 120,198.70 × 26,832.50
  4. Step 4: Simplify right side
    80,159.06x = 3,225,231,617.75
  5. Step 5: Solve for x
    x = 3,225,231,617.75/80,159.06
  6. Step 6: Final answer
    x = 40,235.40

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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.