Home / 179,231.46-268,848-72,617.46

Finding the Fourth Proportional to 179,231.46, 268,848 and 72,617.46

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Solution

The fourth proportional to 179,231.46, 268,848 and 72,617.46 is: 108,926.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,231.46 : 268,848 = 72,617.46 : x
  2. Step 2: Convert to fraction form
    179,231.46/268,848 = 72,617.46/x
  3. Step 3: Cross multiply
    179,231.46x = 268,848 × 72,617.46
  4. Step 4: Simplify right side
    179,231.46x = 19,523,058,886.08
  5. Step 5: Solve for x
    x = 19,523,058,886.08/179,231.46
  6. Step 6: Final answer
    x = 108,926.52

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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.