Home / 135,087.86-202,631.88-35,247.80

Finding the Fourth Proportional to 135,087.86, 202,631.88 and 35,247.80

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Solution

The fourth proportional to 135,087.86, 202,631.88 and 35,247.80 is: 52,871.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,087.86 : 202,631.88 = 35,247.80 : x
  2. Step 2: Convert to fraction form
    135,087.86/202,631.88 = 35,247.80/x
  3. Step 3: Cross multiply
    135,087.86x = 202,631.88 × 35,247.80
  4. Step 4: Simplify right side
    135,087.86x = 7,142,327,979.86
  5. Step 5: Solve for x
    x = 7,142,327,979.86/135,087.86
  6. Step 6: Final answer
    x = 52,871.72

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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.