Home / 179,128.24-268,682.62-54,459.52

Finding the Fourth Proportional to 179,128.24, 268,682.62 and 54,459.52

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Solution

The fourth proportional to 179,128.24, 268,682.62 and 54,459.52 is: 81,686.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,128.24 : 268,682.62 = 54,459.52 : x
  2. Step 2: Convert to fraction form
    179,128.24/268,682.62 = 54,459.52/x
  3. Step 3: Cross multiply
    179,128.24x = 268,682.62 × 54,459.52
  4. Step 4: Simplify right side
    179,128.24x = 14,632,326,517.54
  5. Step 5: Solve for x
    x = 14,632,326,517.54/179,128.24
  6. Step 6: Final answer
    x = 81,686.32

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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.