Home / 227,981.20-314,604.28-126,001.40

Finding the Fourth Proportional to 227,981.20, 314,604.28 and 126,001.40

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Solution

The fourth proportional to 227,981.20, 314,604.28 and 126,001.40 is: 173,876.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,981.20 : 314,604.28 = 126,001.40 : x
  2. Step 2: Convert to fraction form
    227,981.20/314,604.28 = 126,001.40/x
  3. Step 3: Cross multiply
    227,981.20x = 314,604.28 × 126,001.40
  4. Step 4: Simplify right side
    227,981.20x = 39,640,579,725.99
  5. Step 5: Solve for x
    x = 39,640,579,725.99/227,981.20
  6. Step 6: Final answer
    x = 173,876.53

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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.