Home / 134,720.85-202,097.38-54,741.72

Finding the Fourth Proportional to 134,720.85, 202,097.38 and 54,741.72

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Solution

The fourth proportional to 134,720.85, 202,097.38 and 54,741.72 is: 82,119.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,720.85 : 202,097.38 = 54,741.72 : x
  2. Step 2: Convert to fraction form
    134,720.85/202,097.38 = 54,741.72/x
  3. Step 3: Cross multiply
    134,720.85x = 202,097.38 × 54,741.72
  4. Step 4: Simplify right side
    134,720.85x = 11,063,158,912.35
  5. Step 5: Solve for x
    x = 11,063,158,912.35/134,720.85
  6. Step 6: Final answer
    x = 82,119.13

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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.