Home / 414,748.20-622,156.86-111,185.63

Finding the Fourth Proportional to 414,748.20, 622,156.86 and 111,185.63

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Solution

The fourth proportional to 414,748.20, 622,156.86 and 111,185.63 is: 166,787.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,748.20 : 622,156.86 = 111,185.63 : x
  2. Step 2: Convert to fraction form
    414,748.20/622,156.86 = 111,185.63/x
  3. Step 3: Cross multiply
    414,748.20x = 622,156.86 × 111,185.63
  4. Step 4: Simplify right side
    414,748.20x = 69,174,899,327.14
  5. Step 5: Solve for x
    x = 69,174,899,327.14/414,748.20
  6. Step 6: Final answer
    x = 166,787.70

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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.