Home / 268,150.82-402,225.99-68,471.24

Finding the Fourth Proportional to 268,150.82, 402,225.99 and 68,471.24

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Solution

The fourth proportional to 268,150.82, 402,225.99 and 68,471.24 is: 102,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,150.82 : 402,225.99 = 68,471.24 : x
  2. Step 2: Convert to fraction form
    268,150.82/402,225.99 = 68,471.24/x
  3. Step 3: Cross multiply
    268,150.82x = 402,225.99 × 68,471.24
  4. Step 4: Simplify right side
    268,150.82x = 27,540,911,461.14
  5. Step 5: Solve for x
    x = 27,540,911,461.14/268,150.82
  6. Step 6: Final answer
    x = 102,706.80

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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.