Home / 140,200.13-193,474.41-79,770.62

Finding the Fourth Proportional to 140,200.13, 193,474.41 and 79,770.62

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Solution

The fourth proportional to 140,200.13, 193,474.41 and 79,770.62 is: 110,082.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,200.13 : 193,474.41 = 79,770.62 : x
  2. Step 2: Convert to fraction form
    140,200.13/193,474.41 = 79,770.62/x
  3. Step 3: Cross multiply
    140,200.13x = 193,474.41 × 79,770.62
  4. Step 4: Simplify right side
    140,200.13x = 15,433,572,672.46
  5. Step 5: Solve for x
    x = 15,433,572,672.46/140,200.13
  6. Step 6: Final answer
    x = 110,082.45

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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.