Home / 141,282.33-194,980.46-80,871.92

Finding the Fourth Proportional to 141,282.33, 194,980.46 and 80,871.92

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Solution

The fourth proportional to 141,282.33, 194,980.46 and 80,871.92 is: 111,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,282.33 : 194,980.46 = 80,871.92 : x
  2. Step 2: Convert to fraction form
    141,282.33/194,980.46 = 80,871.92/x
  3. Step 3: Cross multiply
    141,282.33x = 194,980.46 × 80,871.92
  4. Step 4: Simplify right side
    141,282.33x = 15,768,442,783.42
  5. Step 5: Solve for x
    x = 15,768,442,783.42/141,282.33
  6. Step 6: Final answer
    x = 111,609.45

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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.