Home / 140,883.64-194,424.24-77,221.42

Finding the Fourth Proportional to 140,883.64, 194,424.24 and 77,221.42

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Solution

The fourth proportional to 140,883.64, 194,424.24 and 77,221.42 is: 106,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,883.64 : 194,424.24 = 77,221.42 : x
  2. Step 2: Convert to fraction form
    140,883.64/194,424.24 = 77,221.42/x
  3. Step 3: Cross multiply
    140,883.64x = 194,424.24 × 77,221.42
  4. Step 4: Simplify right side
    140,883.64x = 15,013,715,895.22
  5. Step 5: Solve for x
    x = 15,013,715,895.22/140,883.64
  6. Step 6: Final answer
    x = 106,568.20

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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.