Home / 228,376.24-315,156.82-126,401.92

Finding the Fourth Proportional to 228,376.24, 315,156.82 and 126,401.92

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Solution

The fourth proportional to 228,376.24, 315,156.82 and 126,401.92 is: 174,433.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,376.24 : 315,156.82 = 126,401.92 : x
  2. Step 2: Convert to fraction form
    228,376.24/315,156.82 = 126,401.92/x
  3. Step 3: Cross multiply
    228,376.24x = 315,156.82 × 126,401.92
  4. Step 4: Simplify right side
    228,376.24x = 39,836,427,149.09
  5. Step 5: Solve for x
    x = 39,836,427,149.09/228,376.24
  6. Step 6: Final answer
    x = 174,433.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.