Home / 135,932.72-187,590.53-75,500.44

Finding the Fourth Proportional to 135,932.72, 187,590.53 and 75,500.44

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Solution

The fourth proportional to 135,932.72, 187,590.53 and 75,500.44 is: 104,192.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,932.72 : 187,590.53 = 75,500.44 : x
  2. Step 2: Convert to fraction form
    135,932.72/187,590.53 = 75,500.44/x
  3. Step 3: Cross multiply
    135,932.72x = 187,590.53 × 75,500.44
  4. Step 4: Simplify right side
    135,932.72x = 14,163,167,274.61
  5. Step 5: Solve for x
    x = 14,163,167,274.61/135,932.72
  6. Step 6: Final answer
    x = 104,192.48

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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.