Home / 140,644.06-194,050.42-80,192.64

Finding the Fourth Proportional to 140,644.06, 194,050.42 and 80,192.64

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Solution

The fourth proportional to 140,644.06, 194,050.42 and 80,192.64 is: 110,643.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,644.06 : 194,050.42 = 80,192.64 : x
  2. Step 2: Convert to fraction form
    140,644.06/194,050.42 = 80,192.64/x
  3. Step 3: Cross multiply
    140,644.06x = 194,050.42 × 80,192.64
  4. Step 4: Simplify right side
    140,644.06x = 15,561,416,000.12
  5. Step 5: Solve for x
    x = 15,561,416,000.12/140,644.06
  6. Step 6: Final answer
    x = 110,643.96

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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.