Home / 159,052.55-219,494.06-86,455.76

Finding the Fourth Proportional to 159,052.55, 219,494.06 and 86,455.76

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Solution

The fourth proportional to 159,052.55, 219,494.06 and 86,455.76 is: 119,309.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,052.55 : 219,494.06 = 86,455.76 : x
  2. Step 2: Convert to fraction form
    159,052.55/219,494.06 = 86,455.76/x
  3. Step 3: Cross multiply
    159,052.55x = 219,494.06 × 86,455.76
  4. Step 4: Simplify right side
    159,052.55x = 18,976,524,243.04
  5. Step 5: Solve for x
    x = 18,976,524,243.04/159,052.55
  6. Step 6: Final answer
    x = 119,309.78

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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.