Home / 188,545.23-260,185.77-103,661.64

Finding the Fourth Proportional to 188,545.23, 260,185.77 and 103,661.64

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Solution

The fourth proportional to 188,545.23, 260,185.77 and 103,661.64 is: 143,049.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,545.23 : 260,185.77 = 103,661.64 : x
  2. Step 2: Convert to fraction form
    188,545.23/260,185.77 = 103,661.64/x
  3. Step 3: Cross multiply
    188,545.23x = 260,185.77 × 103,661.64
  4. Step 4: Simplify right side
    188,545.23x = 26,971,283,622.86
  5. Step 5: Solve for x
    x = 26,971,283,622.86/188,545.23
  6. Step 6: Final answer
    x = 143,049.41

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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.