Home / 193,220.20-266,648.15-107,176.38

Finding the Fourth Proportional to 193,220.20, 266,648.15 and 107,176.38

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Solution

The fourth proportional to 193,220.20, 266,648.15 and 107,176.38 is: 147,905.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,220.20 : 266,648.15 = 107,176.38 : x
  2. Step 2: Convert to fraction form
    193,220.20/266,648.15 = 107,176.38/x
  3. Step 3: Cross multiply
    193,220.20x = 266,648.15 × 107,176.38
  4. Step 4: Simplify right side
    193,220.20x = 28,578,383,615.74
  5. Step 5: Solve for x
    x = 28,578,383,615.74/193,220.20
  6. Step 6: Final answer
    x = 147,905.78

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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.