Home / 141,020.38-194,606.31-80,590.33

Finding the Fourth Proportional to 141,020.38, 194,606.31 and 80,590.33

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Solution

The fourth proportional to 141,020.38, 194,606.31 and 80,590.33 is: 111,213.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,020.38 : 194,606.31 = 80,590.33 : x
  2. Step 2: Convert to fraction form
    141,020.38/194,606.31 = 80,590.33/x
  3. Step 3: Cross multiply
    141,020.38x = 194,606.31 × 80,590.33
  4. Step 4: Simplify right side
    141,020.38x = 15,683,386,742.98
  5. Step 5: Solve for x
    x = 15,683,386,742.98/141,020.38
  6. Step 6: Final answer
    x = 111,213.62

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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.