Home / 300,213.47-414,226.76-179,331.10

Finding the Fourth Proportional to 300,213.47, 414,226.76 and 179,331.10

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Solution

The fourth proportional to 300,213.47, 414,226.76 and 179,331.10 is: 247,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,213.47 : 414,226.76 = 179,331.10 : x
  2. Step 2: Convert to fraction form
    300,213.47/414,226.76 = 179,331.10/x
  3. Step 3: Cross multiply
    300,213.47x = 414,226.76 × 179,331.10
  4. Step 4: Simplify right side
    300,213.47x = 74,283,740,520.24
  5. Step 5: Solve for x
    x = 74,283,740,520.24/300,213.47
  6. Step 6: Final answer
    x = 247,436.40

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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.