Home / 135,492.24-203,364.42-68,982.12

Finding the Fourth Proportional to 135,492.24, 203,364.42 and 68,982.12

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Solution

The fourth proportional to 135,492.24, 203,364.42 and 68,982.12 is: 103,537.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,492.24 : 203,364.42 = 68,982.12 : x
  2. Step 2: Convert to fraction form
    135,492.24/203,364.42 = 68,982.12/x
  3. Step 3: Cross multiply
    135,492.24x = 203,364.42 × 68,982.12
  4. Step 4: Simplify right side
    135,492.24x = 14,028,508,824.17
  5. Step 5: Solve for x
    x = 14,028,508,824.17/135,492.24
  6. Step 6: Final answer
    x = 103,537.36

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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.