Home / 306,749.25-423,204.39-177,617.25

Finding the Fourth Proportional to 306,749.25, 423,204.39 and 177,617.25

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Solution

The fourth proportional to 306,749.25, 423,204.39 and 177,617.25 is: 245,048.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,749.25 : 423,204.39 = 177,617.25 : x
  2. Step 2: Convert to fraction form
    306,749.25/423,204.39 = 177,617.25/x
  3. Step 3: Cross multiply
    306,749.25x = 423,204.39 × 177,617.25
  4. Step 4: Simplify right side
    306,749.25x = 75,168,399,939.73
  5. Step 5: Solve for x
    x = 75,168,399,939.73/306,749.25
  6. Step 6: Final answer
    x = 245,048.36

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1.5x scale

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.