Home / 140,883.44-194,423.92-77,221.24

Finding the Fourth Proportional to 140,883.44, 194,423.92 and 77,221.24

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Solution

The fourth proportional to 140,883.44, 194,423.92 and 77,221.24 is: 106,567.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,883.44 : 194,423.92 = 77,221.24 : x
  2. Step 2: Convert to fraction form
    140,883.44/194,423.92 = 77,221.24/x
  3. Step 3: Cross multiply
    140,883.44x = 194,423.92 × 77,221.24
  4. Step 4: Simplify right side
    140,883.44x = 15,013,656,188.06
  5. Step 5: Solve for x
    x = 15,013,656,188.06/140,883.44
  6. Step 6: Final answer
    x = 106,567.93

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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.