Home / 414,742.20-622,113.30-148,511.40

Finding the Fourth Proportional to 414,742.20, 622,113.30 and 148,511.40

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Solution

The fourth proportional to 414,742.20, 622,113.30 and 148,511.40 is: 222,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,742.20 : 622,113.30 = 148,511.40 : x
  2. Step 2: Convert to fraction form
    414,742.20/622,113.30 = 148,511.40/x
  3. Step 3: Cross multiply
    414,742.20x = 622,113.30 × 148,511.40
  4. Step 4: Simplify right side
    414,742.20x = 92,390,917,141.62
  5. Step 5: Solve for x
    x = 92,390,917,141.62/414,742.20
  6. Step 6: Final answer
    x = 222,767.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.