Home / 135,278.14-202,741.56-55,222.32

Finding the Fourth Proportional to 135,278.14, 202,741.56 and 55,222.32

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Solution

The fourth proportional to 135,278.14, 202,741.56 and 55,222.32 is: 82,761.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,278.14 : 202,741.56 = 55,222.32 : x
  2. Step 2: Convert to fraction form
    135,278.14/202,741.56 = 55,222.32/x
  3. Step 3: Cross multiply
    135,278.14x = 202,741.56 × 55,222.32
  4. Step 4: Simplify right side
    135,278.14x = 11,195,859,303.62
  5. Step 5: Solve for x
    x = 11,195,859,303.62/135,278.14
  6. Step 6: Final answer
    x = 82,761.78

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1.5x scale

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.