Home / 159,309.24-239,111.46-80,478.96

Finding the Fourth Proportional to 159,309.24, 239,111.46 and 80,478.96

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Solution

The fourth proportional to 159,309.24, 239,111.46 and 80,478.96 is: 120,793.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,309.24 : 239,111.46 = 80,478.96 : x
  2. Step 2: Convert to fraction form
    159,309.24/239,111.46 = 80,478.96/x
  3. Step 3: Cross multiply
    159,309.24x = 239,111.46 × 80,478.96
  4. Step 4: Simplify right side
    159,309.24x = 19,243,441,624.88
  5. Step 5: Solve for x
    x = 19,243,441,624.88/159,309.24
  6. Step 6: Final answer
    x = 120,793.00

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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.