Home / 135,496.22-203,254.86-40,719.02

Finding the Fourth Proportional to 135,496.22, 203,254.86 and 40,719.02

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Solution

The fourth proportional to 135,496.22, 203,254.86 and 40,719.02 is: 61,081.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,496.22 : 203,254.86 = 40,719.02 : x
  2. Step 2: Convert to fraction form
    135,496.22/203,254.86 = 40,719.02/x
  3. Step 3: Cross multiply
    135,496.22x = 203,254.86 × 40,719.02
  4. Step 4: Simplify right side
    135,496.22x = 8,276,338,709.44
  5. Step 5: Solve for x
    x = 8,276,338,709.44/135,496.22
  6. Step 6: Final answer
    x = 61,081.69

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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.