Home / 140,852.04-194,380.80-77,189.85

Finding the Fourth Proportional to 140,852.04, 194,380.80 and 77,189.85

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Solution

The fourth proportional to 140,852.04, 194,380.80 and 77,189.85 is: 106,524.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,852.04 : 194,380.80 = 77,189.85 : x
  2. Step 2: Convert to fraction form
    140,852.04/194,380.80 = 77,189.85/x
  3. Step 3: Cross multiply
    140,852.04x = 194,380.80 × 77,189.85
  4. Step 4: Simplify right side
    140,852.04x = 15,004,224,794.88
  5. Step 5: Solve for x
    x = 15,004,224,794.88/140,852.04
  6. Step 6: Final answer
    x = 106,524.72

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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.