Home / 136,183.52-204,275.34-42,696.56

Finding the Fourth Proportional to 136,183.52, 204,275.34 and 42,696.56

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Solution

The fourth proportional to 136,183.52, 204,275.34 and 42,696.56 is: 64,044.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,183.52 : 204,275.34 = 42,696.56 : x
  2. Step 2: Convert to fraction form
    136,183.52/204,275.34 = 42,696.56/x
  3. Step 3: Cross multiply
    136,183.52x = 204,275.34 × 42,696.56
  4. Step 4: Simplify right side
    136,183.52x = 8,721,854,310.83
  5. Step 5: Solve for x
    x = 8,721,854,310.83/136,183.52
  6. Step 6: Final answer
    x = 64,044.86

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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.