Home / 135,758.08-187,343.28-75,327.42

Finding the Fourth Proportional to 135,758.08, 187,343.28 and 75,327.42

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Solution

The fourth proportional to 135,758.08, 187,343.28 and 75,327.42 is: 103,950.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,758.08 : 187,343.28 = 75,327.42 : x
  2. Step 2: Convert to fraction form
    135,758.08/187,343.28 = 75,327.42/x
  3. Step 3: Cross multiply
    135,758.08x = 187,343.28 × 75,327.42
  4. Step 4: Simplify right side
    135,758.08x = 14,112,085,936.74
  5. Step 5: Solve for x
    x = 14,112,085,936.74/135,758.08
  6. Step 6: Final answer
    x = 103,950.25

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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.