Home / 126,022.40-189,070.49-37,278.26

Finding the Fourth Proportional to 126,022.40, 189,070.49 and 37,278.26

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Solution

The fourth proportional to 126,022.40, 189,070.49 and 37,278.26 is: 55,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,022.40 : 189,070.49 = 37,278.26 : x
  2. Step 2: Convert to fraction form
    126,022.40/189,070.49 = 37,278.26/x
  3. Step 3: Cross multiply
    126,022.40x = 189,070.49 × 37,278.26
  4. Step 4: Simplify right side
    126,022.40x = 7,048,217,752.80
  5. Step 5: Solve for x
    x = 7,048,217,752.80/126,022.40
  6. Step 6: Final answer
    x = 55,928.30

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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.