Home / 135,272.64-202,832.16-113,223.36

Finding the Fourth Proportional to 135,272.64, 202,832.16 and 113,223.36

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Solution

The fourth proportional to 135,272.64, 202,832.16 and 113,223.36 is: 169,770.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,272.64 : 202,832.16 = 113,223.36 : x
  2. Step 2: Convert to fraction form
    135,272.64/202,832.16 = 113,223.36/x
  3. Step 3: Cross multiply
    135,272.64x = 202,832.16 × 113,223.36
  4. Step 4: Simplify right side
    135,272.64x = 22,965,338,671.26
  5. Step 5: Solve for x
    x = 22,965,338,671.26/135,272.64
  6. Step 6: Final answer
    x = 169,770.76

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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.