Home / 159,966.05-220,754.67-91,052.15

Finding the Fourth Proportional to 159,966.05, 220,754.67 and 91,052.15

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Solution

The fourth proportional to 159,966.05, 220,754.67 and 91,052.15 is: 125,652.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,966.05 : 220,754.67 = 91,052.15 : x
  2. Step 2: Convert to fraction form
    159,966.05/220,754.67 = 91,052.15/x
  3. Step 3: Cross multiply
    159,966.05x = 220,754.67 × 91,052.15
  4. Step 4: Simplify right side
    159,966.05x = 20,100,186,708.65
  5. Step 5: Solve for x
    x = 20,100,186,708.65/159,966.05
  6. Step 6: Final answer
    x = 125,652.83

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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.