Home / 135,278.96-202,951.80-41,784.64

Finding the Fourth Proportional to 135,278.96, 202,951.80 and 41,784.64

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Solution

The fourth proportional to 135,278.96, 202,951.80 and 41,784.64 is: 62,687.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,278.96 : 202,951.80 = 41,784.64 : x
  2. Step 2: Convert to fraction form
    135,278.96/202,951.80 = 41,784.64/x
  3. Step 3: Cross multiply
    135,278.96x = 202,951.80 × 41,784.64
  4. Step 4: Simplify right side
    135,278.96x = 8,480,267,900.35
  5. Step 5: Solve for x
    x = 8,480,267,900.35/135,278.96
  6. Step 6: Final answer
    x = 62,687.26

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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.