Home / 140,600.76-194,029.07-76,938.57

Finding the Fourth Proportional to 140,600.76, 194,029.07 and 76,938.57

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Solution

The fourth proportional to 140,600.76, 194,029.07 and 76,938.57 is: 106,175.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,600.76 : 194,029.07 = 76,938.57 : x
  2. Step 2: Convert to fraction form
    140,600.76/194,029.07 = 76,938.57/x
  3. Step 3: Cross multiply
    140,600.76x = 194,029.07 × 76,938.57
  4. Step 4: Simplify right side
    140,600.76x = 14,928,318,799.54
  5. Step 5: Solve for x
    x = 14,928,318,799.54/140,600.76
  6. Step 6: Final answer
    x = 106,175.24

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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.