Home / 140,983.32-194,557.08-77,321.37

Finding the Fourth Proportional to 140,983.32, 194,557.08 and 77,321.37

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Solution

The fourth proportional to 140,983.32, 194,557.08 and 77,321.37 is: 106,703.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,983.32 : 194,557.08 = 77,321.37 : x
  2. Step 2: Convert to fraction form
    140,983.32/194,557.08 = 77,321.37/x
  3. Step 3: Cross multiply
    140,983.32x = 194,557.08 × 77,321.37
  4. Step 4: Simplify right side
    140,983.32x = 15,043,419,968.80
  5. Step 5: Solve for x
    x = 15,043,419,968.80/140,983.32
  6. Step 6: Final answer
    x = 106,703.54

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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.