Home / 167,965.10-251,947.65-83,984.30

Finding the Fourth Proportional to 167,965.10, 251,947.65 and 83,984.30

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Solution

The fourth proportional to 167,965.10, 251,947.65 and 83,984.30 is: 125,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,965.10 : 251,947.65 = 83,984.30 : x
  2. Step 2: Convert to fraction form
    167,965.10/251,947.65 = 83,984.30/x
  3. Step 3: Cross multiply
    167,965.10x = 251,947.65 × 83,984.30
  4. Step 4: Simplify right side
    167,965.10x = 21,159,647,021.90
  5. Step 5: Solve for x
    x = 21,159,647,021.90/167,965.10
  6. Step 6: Final answer
    x = 125,976.45

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Similar ratio
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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.