Home / 130,822.80-196,234.20-123,046.80

Finding the Fourth Proportional to 130,822.80, 196,234.20 and 123,046.80

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Solution

The fourth proportional to 130,822.80, 196,234.20 and 123,046.80 is: 184,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,822.80 : 196,234.20 = 123,046.80 : x
  2. Step 2: Convert to fraction form
    130,822.80/196,234.20 = 123,046.80/x
  3. Step 3: Cross multiply
    130,822.80x = 196,234.20 × 123,046.80
  4. Step 4: Simplify right side
    130,822.80x = 24,145,990,360.56
  5. Step 5: Solve for x
    x = 24,145,990,360.56/130,822.80
  6. Step 6: Final answer
    x = 184,570.20

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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.