Home / 159,195.38-219,510.25-122,814.02

Finding the Fourth Proportional to 159,195.38, 219,510.25 and 122,814.02

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Solution

The fourth proportional to 159,195.38, 219,510.25 and 122,814.02 is: 169,344.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,195.38 : 219,510.25 = 122,814.02 : x
  2. Step 2: Convert to fraction form
    159,195.38/219,510.25 = 122,814.02/x
  3. Step 3: Cross multiply
    159,195.38x = 219,510.25 × 122,814.02
  4. Step 4: Simplify right side
    159,195.38x = 26,958,937,166.27
  5. Step 5: Solve for x
    x = 26,958,937,166.27/159,195.38
  6. Step 6: Final answer
    x = 169,344.98

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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.