Home / 179,040-268,618.56-54,381.12

Finding the Fourth Proportional to 179,040, 268,618.56 and 54,381.12

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Solution

The fourth proportional to 179,040, 268,618.56 and 54,381.12 is: 81,589.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,040 : 268,618.56 = 54,381.12 : x
  2. Step 2: Convert to fraction form
    179,040/268,618.56 = 54,381.12/x
  3. Step 3: Cross multiply
    179,040x = 268,618.56 × 54,381.12
  4. Step 4: Simplify right side
    179,040x = 14,607,778,145.59
  5. Step 5: Solve for x
    x = 14,607,778,145.59/179,040
  6. Step 6: Final answer
    x = 81,589.47

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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.