Home / 188,764.08-260,496.30-103,883.10

Finding the Fourth Proportional to 188,764.08, 260,496.30 and 103,883.10

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Solution

The fourth proportional to 188,764.08, 260,496.30 and 103,883.10 is: 143,359.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,764.08 : 260,496.30 = 103,883.10 : x
  2. Step 2: Convert to fraction form
    188,764.08/260,496.30 = 103,883.10/x
  3. Step 3: Cross multiply
    188,764.08x = 260,496.30 × 103,883.10
  4. Step 4: Simplify right side
    188,764.08x = 27,061,163,182.53
  5. Step 5: Solve for x
    x = 27,061,163,182.53/188,764.08
  6. Step 6: Final answer
    x = 143,359.71

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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.