Home / 199,176.72-274,863.90-108,532.70

Finding the Fourth Proportional to 199,176.72, 274,863.90 and 108,532.70

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Solution

The fourth proportional to 199,176.72, 274,863.90 and 108,532.70 is: 149,775.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,176.72 : 274,863.90 = 108,532.70 : x
  2. Step 2: Convert to fraction form
    199,176.72/274,863.90 = 108,532.70/x
  3. Step 3: Cross multiply
    199,176.72x = 274,863.90 × 108,532.70
  4. Step 4: Simplify right side
    199,176.72x = 29,831,721,199.53
  5. Step 5: Solve for x
    x = 29,831,721,199.53/199,176.72
  6. Step 6: Final answer
    x = 149,775.14

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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.