Home / 167,348.20-251,216.70-100,863.40

Finding the Fourth Proportional to 167,348.20, 251,216.70 and 100,863.40

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Solution

The fourth proportional to 167,348.20, 251,216.70 and 100,863.40 is: 151,412.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,348.20 : 251,216.70 = 100,863.40 : x
  2. Step 2: Convert to fraction form
    167,348.20/251,216.70 = 100,863.40/x
  3. Step 3: Cross multiply
    167,348.20x = 251,216.70 × 100,863.40
  4. Step 4: Simplify right side
    167,348.20x = 25,338,570,498.78
  5. Step 5: Solve for x
    x = 25,338,570,498.78/167,348.20
  6. Step 6: Final answer
    x = 151,412.27

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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.