Home / 188,098.56-259,575.30-103,217.04

Finding the Fourth Proportional to 188,098.56, 259,575.30 and 103,217.04

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Solution

The fourth proportional to 188,098.56, 259,575.30 and 103,217.04 is: 142,439.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,098.56 : 259,575.30 = 103,217.04 : x
  2. Step 2: Convert to fraction form
    188,098.56/259,575.30 = 103,217.04/x
  3. Step 3: Cross multiply
    188,098.56x = 259,575.30 × 103,217.04
  4. Step 4: Simplify right side
    188,098.56x = 26,792,594,123.11
  5. Step 5: Solve for x
    x = 26,792,594,123.11/188,098.56
  6. Step 6: Final answer
    x = 142,439.12

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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.