Home / 188,543.09-260,185.96-103,658.33

Finding the Fourth Proportional to 188,543.09, 260,185.96 and 103,658.33

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Solution

The fourth proportional to 188,543.09, 260,185.96 and 103,658.33 is: 143,046.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,543.09 : 260,185.96 = 103,658.33 : x
  2. Step 2: Convert to fraction form
    188,543.09/260,185.96 = 103,658.33/x
  3. Step 3: Cross multiply
    188,543.09x = 260,185.96 × 103,658.33
  4. Step 4: Simplify right side
    188,543.09x = 26,970,442,103.05
  5. Step 5: Solve for x
    x = 26,970,442,103.05/188,543.09
  6. Step 6: Final answer
    x = 143,046.57

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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.