Home / 159,516.10-239,216.55-80,604.10

Finding the Fourth Proportional to 159,516.10, 239,216.55 and 80,604.10

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Solution

The fourth proportional to 159,516.10, 239,216.55 and 80,604.10 is: 120,877.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,516.10 : 239,216.55 = 80,604.10 : x
  2. Step 2: Convert to fraction form
    159,516.10/239,216.55 = 80,604.10/x
  3. Step 3: Cross multiply
    159,516.10x = 239,216.55 × 80,604.10
  4. Step 4: Simplify right side
    159,516.10x = 19,281,834,717.86
  5. Step 5: Solve for x
    x = 19,281,834,717.86/159,516.10
  6. Step 6: Final answer
    x = 120,877.04

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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.