Home / 141,036.42-194,647.47-80,609.61

Finding the Fourth Proportional to 141,036.42, 194,647.47 and 80,609.61

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Solution

The fourth proportional to 141,036.42, 194,647.47 and 80,609.61 is: 111,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,036.42 : 194,647.47 = 80,609.61 : x
  2. Step 2: Convert to fraction form
    141,036.42/194,647.47 = 80,609.61/x
  3. Step 3: Cross multiply
    141,036.42x = 194,647.47 × 80,609.61
  4. Step 4: Simplify right side
    141,036.42x = 15,690,456,644.19
  5. Step 5: Solve for x
    x = 15,690,456,644.19/141,036.42
  6. Step 6: Final answer
    x = 111,251.10

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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.