Home / 135,192.60-186,562.26-74,761.56

Finding the Fourth Proportional to 135,192.60, 186,562.26 and 74,761.56

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Solution

The fourth proportional to 135,192.60, 186,562.26 and 74,761.56 is: 103,169.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,192.60 : 186,562.26 = 74,761.56 : x
  2. Step 2: Convert to fraction form
    135,192.60/186,562.26 = 74,761.56/x
  3. Step 3: Cross multiply
    135,192.60x = 186,562.26 × 74,761.56
  4. Step 4: Simplify right side
    135,192.60x = 13,947,685,594.73
  5. Step 5: Solve for x
    x = 13,947,685,594.73/135,192.60
  6. Step 6: Final answer
    x = 103,169.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.