Home / 136,924.57-188,952.21-74,832.60

Finding the Fourth Proportional to 136,924.57, 188,952.21 and 74,832.60

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Solution

The fourth proportional to 136,924.57, 188,952.21 and 74,832.60 is: 103,266.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,924.57 : 188,952.21 = 74,832.60 : x
  2. Step 2: Convert to fraction form
    136,924.57/188,952.21 = 74,832.60/x
  3. Step 3: Cross multiply
    136,924.57x = 188,952.21 × 74,832.60
  4. Step 4: Simplify right side
    136,924.57x = 14,139,785,858.62
  5. Step 5: Solve for x
    x = 14,139,785,858.62/136,924.57
  6. Step 6: Final answer
    x = 103,266.97

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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.