Home / 167,431.80-251,182.30-55,118.75

Finding the Fourth Proportional to 167,431.80, 251,182.30 and 55,118.75

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Solution

The fourth proportional to 167,431.80, 251,182.30 and 55,118.75 is: 82,689.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,431.80 : 251,182.30 = 55,118.75 : x
  2. Step 2: Convert to fraction form
    167,431.80/251,182.30 = 55,118.75/x
  3. Step 3: Cross multiply
    167,431.80x = 251,182.30 × 55,118.75
  4. Step 4: Simplify right side
    167,431.80x = 13,844,854,888.28
  5. Step 5: Solve for x
    x = 13,844,854,888.28/167,431.80
  6. Step 6: Final answer
    x = 82,689.52

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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.