Home / 226,001.68-311,998.44-159,231.76

Finding the Fourth Proportional to 226,001.68, 311,998.44 and 159,231.76

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Solution

The fourth proportional to 226,001.68, 311,998.44 and 159,231.76 is: 219,821.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,001.68 : 311,998.44 = 159,231.76 : x
  2. Step 2: Convert to fraction form
    226,001.68/311,998.44 = 159,231.76/x
  3. Step 3: Cross multiply
    226,001.68x = 311,998.44 × 159,231.76
  4. Step 4: Simplify right side
    226,001.68x = 49,680,060,718.45
  5. Step 5: Solve for x
    x = 49,680,060,718.45/226,001.68
  6. Step 6: Final answer
    x = 219,821.64

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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.