Home / 152,613.20-228,954.60-47,442.80

Finding the Fourth Proportional to 152,613.20, 228,954.60 and 47,442.80

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Solution

The fourth proportional to 152,613.20, 228,954.60 and 47,442.80 is: 71,175.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,613.20 : 228,954.60 = 47,442.80 : x
  2. Step 2: Convert to fraction form
    152,613.20/228,954.60 = 47,442.80/x
  3. Step 3: Cross multiply
    152,613.20x = 228,954.60 × 47,442.80
  4. Step 4: Simplify right side
    152,613.20x = 10,862,247,296.88
  5. Step 5: Solve for x
    x = 10,862,247,296.88/152,613.20
  6. Step 6: Final answer
    x = 71,175.02

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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.