Home / 135,348.46-186,782.52-74,924.68

Finding the Fourth Proportional to 135,348.46, 186,782.52 and 74,924.68

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Solution

The fourth proportional to 135,348.46, 186,782.52 and 74,924.68 is: 103,396.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,348.46 : 186,782.52 = 74,924.68 : x
  2. Step 2: Convert to fraction form
    135,348.46/186,782.52 = 74,924.68/x
  3. Step 3: Cross multiply
    135,348.46x = 186,782.52 × 74,924.68
  4. Step 4: Simplify right side
    135,348.46x = 13,994,620,540.59
  5. Step 5: Solve for x
    x = 13,994,620,540.59/135,348.46
  6. Step 6: Final answer
    x = 103,396.97

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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.