Home / 167,430.20-251,145.30-108,332.60

Finding the Fourth Proportional to 167,430.20, 251,145.30 and 108,332.60

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Solution

The fourth proportional to 167,430.20, 251,145.30 and 108,332.60 is: 162,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,430.20 : 251,145.30 = 108,332.60 : x
  2. Step 2: Convert to fraction form
    167,430.20/251,145.30 = 108,332.60/x
  3. Step 3: Cross multiply
    167,430.20x = 251,145.30 × 108,332.60
  4. Step 4: Simplify right side
    167,430.20x = 27,207,223,326.78
  5. Step 5: Solve for x
    x = 27,207,223,326.78/167,430.20
  6. Step 6: Final answer
    x = 162,498.90

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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.