Home / 140,843.79-194,364.57-77,181.73

Finding the Fourth Proportional to 140,843.79, 194,364.57 and 77,181.73

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Solution

The fourth proportional to 140,843.79, 194,364.57 and 77,181.73 is: 106,510.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,843.79 : 194,364.57 = 77,181.73 : x
  2. Step 2: Convert to fraction form
    140,843.79/194,364.57 = 77,181.73/x
  3. Step 3: Cross multiply
    140,843.79x = 194,364.57 × 77,181.73
  4. Step 4: Simplify right side
    140,843.79x = 15,001,393,763.31
  5. Step 5: Solve for x
    x = 15,001,393,763.31/140,843.79
  6. Step 6: Final answer
    x = 106,510.86

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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.