Home / 155,908.92-215,103.24-95,416.44

Finding the Fourth Proportional to 155,908.92, 215,103.24 and 95,416.44

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Solution

The fourth proportional to 155,908.92, 215,103.24 and 95,416.44 is: 131,643.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,908.92 : 215,103.24 = 95,416.44 : x
  2. Step 2: Convert to fraction form
    155,908.92/215,103.24 = 95,416.44/x
  3. Step 3: Cross multiply
    155,908.92x = 215,103.24 × 95,416.44
  4. Step 4: Simplify right side
    155,908.92x = 20,524,385,393.27
  5. Step 5: Solve for x
    x = 20,524,385,393.27/155,908.92
  6. Step 6: Final answer
    x = 131,643.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.