Home / 175,376.46-263,103.66-81,831.18

Finding the Fourth Proportional to 175,376.46, 263,103.66 and 81,831.18

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Solution

The fourth proportional to 175,376.46, 263,103.66 and 81,831.18 is: 122,764.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,376.46 : 263,103.66 = 81,831.18 : x
  2. Step 2: Convert to fraction form
    175,376.46/263,103.66 = 81,831.18/x
  3. Step 3: Cross multiply
    175,376.46x = 263,103.66 × 81,831.18
  4. Step 4: Simplify right side
    175,376.46x = 21,530,082,960.12
  5. Step 5: Solve for x
    x = 21,530,082,960.12/175,376.46
  6. Step 6: Final answer
    x = 122,764.95

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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.