Home / 158,724.80-238,087.20-123,690.68

Finding the Fourth Proportional to 158,724.80, 238,087.20 and 123,690.68

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Solution

The fourth proportional to 158,724.80, 238,087.20 and 123,690.68 is: 185,536.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,724.80 : 238,087.20 = 123,690.68 : x
  2. Step 2: Convert to fraction form
    158,724.80/238,087.20 = 123,690.68/x
  3. Step 3: Cross multiply
    158,724.80x = 238,087.20 × 123,690.68
  4. Step 4: Simplify right side
    158,724.80x = 29,449,167,667.30
  5. Step 5: Solve for x
    x = 29,449,167,667.30/158,724.80
  6. Step 6: Final answer
    x = 185,536.02

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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.