Home / 126,529.33-189,794.35-36,579.36

Finding the Fourth Proportional to 126,529.33, 189,794.35 and 36,579.36

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Solution

The fourth proportional to 126,529.33, 189,794.35 and 36,579.36 is: 54,869.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,529.33 : 189,794.35 = 36,579.36 : x
  2. Step 2: Convert to fraction form
    126,529.33/189,794.35 = 36,579.36/x
  3. Step 3: Cross multiply
    126,529.33x = 189,794.35 × 36,579.36
  4. Step 4: Simplify right side
    126,529.33x = 6,942,556,329.10
  5. Step 5: Solve for x
    x = 6,942,556,329.10/126,529.33
  6. Step 6: Final answer
    x = 54,869.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.