Home / 151,936.75-209,672.72-84,868.75

Finding the Fourth Proportional to 151,936.75, 209,672.72 and 84,868.75

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Solution

The fourth proportional to 151,936.75, 209,672.72 and 84,868.75 is: 117,118.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,936.75 : 209,672.72 = 84,868.75 : x
  2. Step 2: Convert to fraction form
    151,936.75/209,672.72 = 84,868.75/x
  3. Step 3: Cross multiply
    151,936.75x = 209,672.72 × 84,868.75
  4. Step 4: Simplify right side
    151,936.75x = 17,794,661,655.50
  5. Step 5: Solve for x
    x = 17,794,661,655.50/151,936.75
  6. Step 6: Final answer
    x = 117,118.88

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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.