Home / 126,556.50-189,866.49-37,809.66

Finding the Fourth Proportional to 126,556.50, 189,866.49 and 37,809.66

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Solution

The fourth proportional to 126,556.50, 189,866.49 and 37,809.66 is: 56,723.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,556.50 : 189,866.49 = 37,809.66 : x
  2. Step 2: Convert to fraction form
    126,556.50/189,866.49 = 37,809.66/x
  3. Step 3: Cross multiply
    126,556.50x = 189,866.49 × 37,809.66
  4. Step 4: Simplify right side
    126,556.50x = 7,178,787,432.29
  5. Step 5: Solve for x
    x = 7,178,787,432.29/126,556.50
  6. Step 6: Final answer
    x = 56,723.97

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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.