Home / 178,732.88-268,144.43-83,945.57

Finding the Fourth Proportional to 178,732.88, 268,144.43 and 83,945.57

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Solution

The fourth proportional to 178,732.88, 268,144.43 and 83,945.57 is: 125,939.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,732.88 : 268,144.43 = 83,945.57 : x
  2. Step 2: Convert to fraction form
    178,732.88/268,144.43 = 83,945.57/x
  3. Step 3: Cross multiply
    178,732.88x = 268,144.43 × 83,945.57
  4. Step 4: Simplify right side
    178,732.88x = 22,509,535,258.23
  5. Step 5: Solve for x
    x = 22,509,535,258.23/178,732.88
  6. Step 6: Final answer
    x = 125,939.53

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1.5x scale

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.