Home / 159,049.27-238,574-74,747.58

Finding the Fourth Proportional to 159,049.27, 238,574 and 74,747.58

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Solution

The fourth proportional to 159,049.27, 238,574 and 74,747.58 is: 112,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,049.27 : 238,574 = 74,747.58 : x
  2. Step 2: Convert to fraction form
    159,049.27/238,574 = 74,747.58/x
  3. Step 3: Cross multiply
    159,049.27x = 238,574 × 74,747.58
  4. Step 4: Simplify right side
    159,049.27x = 17,832,829,150.92
  5. Step 5: Solve for x
    x = 17,832,829,150.92/159,049.27
  6. Step 6: Final answer
    x = 112,121.41

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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.