Home / 167,734.78-251,627-55,426.86

Finding the Fourth Proportional to 167,734.78, 251,627 and 55,426.86

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Solution

The fourth proportional to 167,734.78, 251,627 and 55,426.86 is: 83,148.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,734.78 : 251,627 = 55,426.86 : x
  2. Step 2: Convert to fraction form
    167,734.78/251,627 = 55,426.86/x
  3. Step 3: Cross multiply
    167,734.78x = 251,627 × 55,426.86
  4. Step 4: Simplify right side
    167,734.78x = 13,946,894,501.22
  5. Step 5: Solve for x
    x = 13,946,894,501.22/167,734.78
  6. Step 6: Final answer
    x = 83,148.49

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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.