Home / 228,132.56-342,217.11-68,196.80

Finding the Fourth Proportional to 228,132.56, 342,217.11 and 68,196.80

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Solution

The fourth proportional to 228,132.56, 342,217.11 and 68,196.80 is: 102,300.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,132.56 : 342,217.11 = 68,196.80 : x
  2. Step 2: Convert to fraction form
    228,132.56/342,217.11 = 68,196.80/x
  3. Step 3: Cross multiply
    228,132.56x = 342,217.11 × 68,196.80
  4. Step 4: Simplify right side
    228,132.56x = 23,338,111,807.25
  5. Step 5: Solve for x
    x = 23,338,111,807.25/228,132.56
  6. Step 6: Final answer
    x = 102,300.66

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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.