Home / 140,600.93-194,029.28-76,938.73

Finding the Fourth Proportional to 140,600.93, 194,029.28 and 76,938.73

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Solution

The fourth proportional to 140,600.93, 194,029.28 and 76,938.73 is: 106,175.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,600.93 : 194,029.28 = 76,938.73 : x
  2. Step 2: Convert to fraction form
    140,600.93/194,029.28 = 76,938.73/x
  3. Step 3: Cross multiply
    140,600.93x = 194,029.28 × 76,938.73
  4. Step 4: Simplify right side
    140,600.93x = 14,928,366,001.32
  5. Step 5: Solve for x
    x = 14,928,366,001.32/140,600.93
  6. Step 6: Final answer
    x = 106,175.44

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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.