Home / 141,232.06-194,906.38-80,821.66

Finding the Fourth Proportional to 141,232.06, 194,906.38 and 80,821.66

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Solution

The fourth proportional to 141,232.06, 194,906.38 and 80,821.66 is: 111,537.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,232.06 : 194,906.38 = 80,821.66 : x
  2. Step 2: Convert to fraction form
    141,232.06/194,906.38 = 80,821.66/x
  3. Step 3: Cross multiply
    141,232.06x = 194,906.38 × 80,821.66
  4. Step 4: Simplify right side
    141,232.06x = 15,752,657,176.19
  5. Step 5: Solve for x
    x = 15,752,657,176.19/141,232.06
  6. Step 6: Final answer
    x = 111,537.40

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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.