Home / 179,220.57-268,831.61-72,606.59

Finding the Fourth Proportional to 179,220.57, 268,831.61 and 72,606.59

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Solution

The fourth proportional to 179,220.57, 268,831.61 and 72,606.59 is: 108,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,220.57 : 268,831.61 = 72,606.59 : x
  2. Step 2: Convert to fraction form
    179,220.57/268,831.61 = 72,606.59/x
  3. Step 3: Cross multiply
    179,220.57x = 268,831.61 × 72,606.59
  4. Step 4: Simplify right side
    179,220.57x = 19,518,947,571.69
  5. Step 5: Solve for x
    x = 19,518,947,571.69/179,220.57
  6. Step 6: Final answer
    x = 108,910.20

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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.