Home / 188,614.22-260,282.39-103,731.26

Finding the Fourth Proportional to 188,614.22, 260,282.39 and 103,731.26

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Solution

The fourth proportional to 188,614.22, 260,282.39 and 103,731.26 is: 143,146.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,614.22 : 260,282.39 = 103,731.26 : x
  2. Step 2: Convert to fraction form
    188,614.22/260,282.39 = 103,731.26/x
  3. Step 3: Cross multiply
    188,614.22x = 260,282.39 × 103,731.26
  4. Step 4: Simplify right side
    188,614.22x = 26,999,418,450.44
  5. Step 5: Solve for x
    x = 26,999,418,450.44/188,614.22
  6. Step 6: Final answer
    x = 143,146.25

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1.5x scale

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.