Home / 228,829.20-343,269.40-71,056.40

Finding the Fourth Proportional to 228,829.20, 343,269.40 and 71,056.40

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Solution

The fourth proportional to 228,829.20, 343,269.40 and 71,056.40 is: 106,592.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,829.20 : 343,269.40 = 71,056.40 : x
  2. Step 2: Convert to fraction form
    228,829.20/343,269.40 = 71,056.40/x
  3. Step 3: Cross multiply
    228,829.20x = 343,269.40 × 71,056.40
  4. Step 4: Simplify right side
    228,829.20x = 24,391,487,794.16
  5. Step 5: Solve for x
    x = 24,391,487,794.16/228,829.20
  6. Step 6: Final answer
    x = 106,592.55

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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.