Home / 123,415.38-185,129.98-34,661.96

Finding the Fourth Proportional to 123,415.38, 185,129.98 and 34,661.96

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Solution

The fourth proportional to 123,415.38, 185,129.98 and 34,661.96 is: 51,994.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,415.38 : 185,129.98 = 34,661.96 : x
  2. Step 2: Convert to fraction form
    123,415.38/185,129.98 = 34,661.96/x
  3. Step 3: Cross multiply
    123,415.38x = 185,129.98 × 34,661.96
  4. Step 4: Simplify right side
    123,415.38x = 6,416,967,961.56
  5. Step 5: Solve for x
    x = 6,416,967,961.56/123,415.38
  6. Step 6: Final answer
    x = 51,994.88

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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.