Home / 140,776.51-194,224.05-80,304.59

Finding the Fourth Proportional to 140,776.51, 194,224.05 and 80,304.59

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Solution

The fourth proportional to 140,776.51, 194,224.05 and 80,304.59 is: 110,793.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,776.51 : 194,224.05 = 80,304.59 : x
  2. Step 2: Convert to fraction form
    140,776.51/194,224.05 = 80,304.59/x
  3. Step 3: Cross multiply
    140,776.51x = 194,224.05 × 80,304.59
  4. Step 4: Simplify right side
    140,776.51x = 15,597,082,868.55
  5. Step 5: Solve for x
    x = 15,597,082,868.55/140,776.51
  6. Step 6: Final answer
    x = 110,793.22

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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.