Home / 218,566.20-327,849.30-70,822.20

Finding the Fourth Proportional to 218,566.20, 327,849.30 and 70,822.20

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Solution

The fourth proportional to 218,566.20, 327,849.30 and 70,822.20 is: 106,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,566.20 : 327,849.30 = 70,822.20 : x
  2. Step 2: Convert to fraction form
    218,566.20/327,849.30 = 70,822.20/x
  3. Step 3: Cross multiply
    218,566.20x = 327,849.30 × 70,822.20
  4. Step 4: Simplify right side
    218,566.20x = 23,219,008,694.46
  5. Step 5: Solve for x
    x = 23,219,008,694.46/218,566.20
  6. Step 6: Final answer
    x = 106,233.30

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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.