Home / 279,641.43-386,133.03-227,966.85

Finding the Fourth Proportional to 279,641.43, 386,133.03 and 227,966.85

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Solution

The fourth proportional to 279,641.43, 386,133.03 and 227,966.85 is: 314,780.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,641.43 : 386,133.03 = 227,966.85 : x
  2. Step 2: Convert to fraction form
    279,641.43/386,133.03 = 227,966.85/x
  3. Step 3: Cross multiply
    279,641.43x = 386,133.03 × 227,966.85
  4. Step 4: Simplify right side
    279,641.43x = 88,025,530,530.06
  5. Step 5: Solve for x
    x = 88,025,530,530.06/279,641.43
  6. Step 6: Final answer
    x = 314,780.00

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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.