Home / 195,813.19-293,747.81-74,278.41

Finding the Fourth Proportional to 195,813.19, 293,747.81 and 74,278.41

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Solution

The fourth proportional to 195,813.19, 293,747.81 and 74,278.41 is: 111,428.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,813.19 : 293,747.81 = 74,278.41 : x
  2. Step 2: Convert to fraction form
    195,813.19/293,747.81 = 74,278.41/x
  3. Step 3: Cross multiply
    195,813.19x = 293,747.81 × 74,278.41
  4. Step 4: Simplify right side
    195,813.19x = 21,819,120,453.48
  5. Step 5: Solve for x
    x = 21,819,120,453.48/195,813.19
  6. Step 6: Final answer
    x = 111,428.25

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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.