Home / 135,880.05-187,517.99-75,453.24

Finding the Fourth Proportional to 135,880.05, 187,517.99 and 75,453.24

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Solution

The fourth proportional to 135,880.05, 187,517.99 and 75,453.24 is: 104,127.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,880.05 : 187,517.99 = 75,453.24 : x
  2. Step 2: Convert to fraction form
    135,880.05/187,517.99 = 75,453.24/x
  3. Step 3: Cross multiply
    135,880.05x = 187,517.99 × 75,453.24
  4. Step 4: Simplify right side
    135,880.05x = 14,148,839,526.52
  5. Step 5: Solve for x
    x = 14,148,839,526.52/135,880.05
  6. Step 6: Final answer
    x = 104,127.42

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1.5x scale

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.