Home / 228,920.06-343,372.80-60,435.20

Finding the Fourth Proportional to 228,920.06, 343,372.80 and 60,435.20

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Solution

The fourth proportional to 228,920.06, 343,372.80 and 60,435.20 is: 90,650.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,920.06 : 343,372.80 = 60,435.20 : x
  2. Step 2: Convert to fraction form
    228,920.06/343,372.80 = 60,435.20/x
  3. Step 3: Cross multiply
    228,920.06x = 343,372.80 × 60,435.20
  4. Step 4: Simplify right side
    228,920.06x = 20,751,803,842.56
  5. Step 5: Solve for x
    x = 20,751,803,842.56/228,920.06
  6. Step 6: Final answer
    x = 90,650.88

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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.