Home / 172,780.56-238,439.57-96,297.53

Finding the Fourth Proportional to 172,780.56, 238,439.57 and 96,297.53

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Solution

The fourth proportional to 172,780.56, 238,439.57 and 96,297.53 is: 132,891.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,780.56 : 238,439.57 = 96,297.53 : x
  2. Step 2: Convert to fraction form
    172,780.56/238,439.57 = 96,297.53/x
  3. Step 3: Cross multiply
    172,780.56x = 238,439.57 × 96,297.53
  4. Step 4: Simplify right side
    172,780.56x = 22,961,140,865.73
  5. Step 5: Solve for x
    x = 22,961,140,865.73/172,780.56
  6. Step 6: Final answer
    x = 132,891.92

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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.