Home / 167,431.20-251,146.80-108,333.60

Finding the Fourth Proportional to 167,431.20, 251,146.80 and 108,333.60

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Solution

The fourth proportional to 167,431.20, 251,146.80 and 108,333.60 is: 162,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,431.20 : 251,146.80 = 108,333.60 : x
  2. Step 2: Convert to fraction form
    167,431.20/251,146.80 = 108,333.60/x
  3. Step 3: Cross multiply
    167,431.20x = 251,146.80 × 108,333.60
  4. Step 4: Simplify right side
    167,431.20x = 27,207,636,972.48
  5. Step 5: Solve for x
    x = 27,207,636,972.48/167,431.20
  6. Step 6: Final answer
    x = 162,500.40

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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.