Home / 135,799.26-187,400.16-75,366.36

Finding the Fourth Proportional to 135,799.26, 187,400.16 and 75,366.36

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Solution

The fourth proportional to 135,799.26, 187,400.16 and 75,366.36 is: 104,004.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,799.26 : 187,400.16 = 75,366.36 : x
  2. Step 2: Convert to fraction form
    135,799.26/187,400.16 = 75,366.36/x
  3. Step 3: Cross multiply
    135,799.26x = 187,400.16 × 75,366.36
  4. Step 4: Simplify right side
    135,799.26x = 14,123,667,922.62
  5. Step 5: Solve for x
    x = 14,123,667,922.62/135,799.26
  6. Step 6: Final answer
    x = 104,004.01

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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.