Home / 135,895.27-187,544.15-75,465.90

Finding the Fourth Proportional to 135,895.27, 187,544.15 and 75,465.90

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Solution

The fourth proportional to 135,895.27, 187,544.15 and 75,465.90 is: 104,147.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,895.27 : 187,544.15 = 75,465.90 : x
  2. Step 2: Convert to fraction form
    135,895.27/187,544.15 = 75,465.90/x
  3. Step 3: Cross multiply
    135,895.27x = 187,544.15 × 75,465.90
  4. Step 4: Simplify right side
    135,895.27x = 14,153,188,396.50
  5. Step 5: Solve for x
    x = 14,153,188,396.50/135,895.27
  6. Step 6: Final answer
    x = 104,147.76

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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.