Home / 148,360.59-204,738.21-80,377.38

Finding the Fourth Proportional to 148,360.59, 204,738.21 and 80,377.38

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Solution

The fourth proportional to 148,360.59, 204,738.21 and 80,377.38 is: 110,921.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,360.59 : 204,738.21 = 80,377.38 : x
  2. Step 2: Convert to fraction form
    148,360.59/204,738.21 = 80,377.38/x
  3. Step 3: Cross multiply
    148,360.59x = 204,738.21 × 80,377.38
  4. Step 4: Simplify right side
    148,360.59x = 16,456,320,905.69
  5. Step 5: Solve for x
    x = 16,456,320,905.69/148,360.59
  6. Step 6: Final answer
    x = 110,921.11

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1.5x scale

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.