Home / 126,240.51-189,319.41-41,977.45

Finding the Fourth Proportional to 126,240.51, 189,319.41 and 41,977.45

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Solution

The fourth proportional to 126,240.51, 189,319.41 and 41,977.45 is: 62,952.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,240.51 : 189,319.41 = 41,977.45 : x
  2. Step 2: Convert to fraction form
    126,240.51/189,319.41 = 41,977.45/x
  3. Step 3: Cross multiply
    126,240.51x = 189,319.41 × 41,977.45
  4. Step 4: Simplify right side
    126,240.51x = 7,947,145,594.01
  5. Step 5: Solve for x
    x = 7,947,145,594.01/126,240.51
  6. Step 6: Final answer
    x = 62,952.42

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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.