Home / 141,212.16-194,818.56-80,770.56

Finding the Fourth Proportional to 141,212.16, 194,818.56 and 80,770.56

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Solution

The fourth proportional to 141,212.16, 194,818.56 and 80,770.56 is: 111,432.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,212.16 : 194,818.56 = 80,770.56 : x
  2. Step 2: Convert to fraction form
    141,212.16/194,818.56 = 80,770.56/x
  3. Step 3: Cross multiply
    141,212.16x = 194,818.56 × 80,770.56
  4. Step 4: Simplify right side
    141,212.16x = 15,735,604,189.59
  5. Step 5: Solve for x
    x = 15,735,604,189.59/141,212.16
  6. Step 6: Final answer
    x = 111,432.36

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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.