Home / 329,171.31-454,131.19-243,336.37

Finding the Fourth Proportional to 329,171.31, 454,131.19 and 243,336.37

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Solution

The fourth proportional to 329,171.31, 454,131.19 and 243,336.37 is: 335,711.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,171.31 : 454,131.19 = 243,336.37 : x
  2. Step 2: Convert to fraction form
    329,171.31/454,131.19 = 243,336.37/x
  3. Step 3: Cross multiply
    329,171.31x = 454,131.19 × 243,336.37
  4. Step 4: Simplify right side
    329,171.31x = 110,506,635,278.38
  5. Step 5: Solve for x
    x = 110,506,635,278.38/329,171.31
  6. Step 6: Final answer
    x = 335,711.62

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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.