Home / 228,760.79-343,143.50-60,305.28

Finding the Fourth Proportional to 228,760.79, 343,143.50 and 60,305.28

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Solution

The fourth proportional to 228,760.79, 343,143.50 and 60,305.28 is: 90,458.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,760.79 : 343,143.50 = 60,305.28 : x
  2. Step 2: Convert to fraction form
    228,760.79/343,143.50 = 60,305.28/x
  3. Step 3: Cross multiply
    228,760.79x = 343,143.50 × 60,305.28
  4. Step 4: Simplify right side
    228,760.79x = 20,693,364,546.15
  5. Step 5: Solve for x
    x = 20,693,364,546.15/228,760.79
  6. Step 6: Final answer
    x = 90,458.53

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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.