Home / 167,211.27-250,821.77-78,506.55

Finding the Fourth Proportional to 167,211.27, 250,821.77 and 78,506.55

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Solution

The fourth proportional to 167,211.27, 250,821.77 and 78,506.55 is: 117,762.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,211.27 : 250,821.77 = 78,506.55 : x
  2. Step 2: Convert to fraction form
    167,211.27/250,821.77 = 78,506.55/x
  3. Step 3: Cross multiply
    167,211.27x = 250,821.77 × 78,506.55
  4. Step 4: Simplify right side
    167,211.27x = 19,691,151,435.06
  5. Step 5: Solve for x
    x = 19,691,151,435.06/167,211.27
  6. Step 6: Final answer
    x = 117,762.11

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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.