Home / 135,321.32-202,926.48-40,518.11

Finding the Fourth Proportional to 135,321.32, 202,926.48 and 40,518.11

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Solution

The fourth proportional to 135,321.32, 202,926.48 and 40,518.11 is: 60,760.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,321.32 : 202,926.48 = 40,518.11 : x
  2. Step 2: Convert to fraction form
    135,321.32/202,926.48 = 40,518.11/x
  3. Step 3: Cross multiply
    135,321.32x = 202,926.48 × 40,518.11
  4. Step 4: Simplify right side
    135,321.32x = 8,222,196,423.92
  5. Step 5: Solve for x
    x = 8,222,196,423.92/135,321.32
  6. Step 6: Final answer
    x = 60,760.54

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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.