Home / 179,233.46-268,851-72,619.46

Finding the Fourth Proportional to 179,233.46, 268,851 and 72,619.46

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Solution

The fourth proportional to 179,233.46, 268,851 and 72,619.46 is: 108,929.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,233.46 : 268,851 = 72,619.46 : x
  2. Step 2: Convert to fraction form
    179,233.46/268,851 = 72,619.46/x
  3. Step 3: Cross multiply
    179,233.46x = 268,851 × 72,619.46
  4. Step 4: Simplify right side
    179,233.46x = 19,523,814,440.46
  5. Step 5: Solve for x
    x = 19,523,814,440.46/179,233.46
  6. Step 6: Final answer
    x = 108,929.52

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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.