Home / 146,520.08-202,133.76-85,983.92

Finding the Fourth Proportional to 146,520.08, 202,133.76 and 85,983.92

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Solution

The fourth proportional to 146,520.08, 202,133.76 and 85,983.92 is: 118,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,520.08 : 202,133.76 = 85,983.92 : x
  2. Step 2: Convert to fraction form
    146,520.08/202,133.76 = 85,983.92/x
  3. Step 3: Cross multiply
    146,520.08x = 202,133.76 × 85,983.92
  4. Step 4: Simplify right side
    146,520.08x = 17,380,253,049.14
  5. Step 5: Solve for x
    x = 17,380,253,049.14/146,520.08
  6. Step 6: Final answer
    x = 118,620.28

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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.