Home / 135,884.42-187,514.24-75,458.93

Finding the Fourth Proportional to 135,884.42, 187,514.24 and 75,458.93

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Solution

The fourth proportional to 135,884.42, 187,514.24 and 75,458.93 is: 104,129.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,884.42 : 187,514.24 = 75,458.93 : x
  2. Step 2: Convert to fraction form
    135,884.42/187,514.24 = 75,458.93/x
  3. Step 3: Cross multiply
    135,884.42x = 187,514.24 × 75,458.93
  4. Step 4: Simplify right side
    135,884.42x = 14,149,622,595.30
  5. Step 5: Solve for x
    x = 14,149,622,595.30/135,884.42
  6. Step 6: Final answer
    x = 104,129.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.