Home / 306,743.22-423,275.49-179,393.94

Finding the Fourth Proportional to 306,743.22, 423,275.49 and 179,393.94

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Solution

The fourth proportional to 306,743.22, 423,275.49 and 179,393.94 is: 247,546.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,743.22 : 423,275.49 = 179,393.94 : x
  2. Step 2: Convert to fraction form
    306,743.22/423,275.49 = 179,393.94/x
  3. Step 3: Cross multiply
    306,743.22x = 423,275.49 × 179,393.94
  4. Step 4: Simplify right side
    306,743.22x = 75,933,057,856.53
  5. Step 5: Solve for x
    x = 75,933,057,856.53/306,743.22
  6. Step 6: Final answer
    x = 247,546.00

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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.