Home / 167,342.20-251,207.70-100,857.40

Finding the Fourth Proportional to 167,342.20, 251,207.70 and 100,857.40

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Solution

The fourth proportional to 167,342.20, 251,207.70 and 100,857.40 is: 151,403.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,342.20 : 251,207.70 = 100,857.40 : x
  2. Step 2: Convert to fraction form
    167,342.20/251,207.70 = 100,857.40/x
  3. Step 3: Cross multiply
    167,342.20x = 251,207.70 × 100,857.40
  4. Step 4: Simplify right side
    167,342.20x = 25,336,155,481.98
  5. Step 5: Solve for x
    x = 25,336,155,481.98/167,342.20
  6. Step 6: Final answer
    x = 151,403.27

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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.