Home / 178,715.67-267,994.78-83,972.81

Finding the Fourth Proportional to 178,715.67, 267,994.78 and 83,972.81

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Solution

The fourth proportional to 178,715.67, 267,994.78 and 83,972.81 is: 125,922.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,715.67 : 267,994.78 = 83,972.81 : x
  2. Step 2: Convert to fraction form
    178,715.67/267,994.78 = 83,972.81/x
  3. Step 3: Cross multiply
    178,715.67x = 267,994.78 × 83,972.81
  4. Step 4: Simplify right side
    178,715.67x = 22,504,272,982.09
  5. Step 5: Solve for x
    x = 22,504,272,982.09/178,715.67
  6. Step 6: Final answer
    x = 125,922.21

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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.