Home / 129,539.25-194,308.88-55,667.25

Finding the Fourth Proportional to 129,539.25, 194,308.88 and 55,667.25

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Solution

The fourth proportional to 129,539.25, 194,308.88 and 55,667.25 is: 83,500.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,539.25 : 194,308.88 = 55,667.25 : x
  2. Step 2: Convert to fraction form
    129,539.25/194,308.88 = 55,667.25/x
  3. Step 3: Cross multiply
    129,539.25x = 194,308.88 × 55,667.25
  4. Step 4: Simplify right side
    129,539.25x = 10,816,640,721.84
  5. Step 5: Solve for x
    x = 10,816,640,721.84/129,539.25
  6. Step 6: Final answer
    x = 83,500.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.