Home / 228,780.56-343,221.10-93,845.43

Finding the Fourth Proportional to 228,780.56, 343,221.10 and 93,845.43

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Solution

The fourth proportional to 228,780.56, 343,221.10 and 93,845.43 is: 140,788.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,780.56 : 343,221.10 = 93,845.43 : x
  2. Step 2: Convert to fraction form
    228,780.56/343,221.10 = 93,845.43/x
  3. Step 3: Cross multiply
    228,780.56x = 343,221.10 × 93,845.43
  4. Step 4: Simplify right side
    228,780.56x = 32,209,731,479.96
  5. Step 5: Solve for x
    x = 32,209,731,479.96/228,780.56
  6. Step 6: Final answer
    x = 140,788.76

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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.