Home / 227,579.12-314,059.20-126,977.12

Finding the Fourth Proportional to 227,579.12, 314,059.20 and 126,977.12

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Solution

The fourth proportional to 227,579.12, 314,059.20 and 126,977.12 is: 175,228.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,579.12 : 314,059.20 = 126,977.12 : x
  2. Step 2: Convert to fraction form
    227,579.12/314,059.20 = 126,977.12/x
  3. Step 3: Cross multiply
    227,579.12x = 314,059.20 × 126,977.12
  4. Step 4: Simplify right side
    227,579.12x = 39,878,332,725.50
  5. Step 5: Solve for x
    x = 39,878,332,725.50/227,579.12
  6. Step 6: Final answer
    x = 175,228.43

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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.