Home / 188,765.23-260,496.88-108,197.47

Finding the Fourth Proportional to 188,765.23, 260,496.88 and 108,197.47

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Solution

The fourth proportional to 188,765.23, 260,496.88 and 108,197.47 is: 149,313.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,765.23 : 260,496.88 = 108,197.47 : x
  2. Step 2: Convert to fraction form
    188,765.23/260,496.88 = 108,197.47/x
  3. Step 3: Cross multiply
    188,765.23x = 260,496.88 × 108,197.47
  4. Step 4: Simplify right side
    188,765.23x = 28,185,103,358.89
  5. Step 5: Solve for x
    x = 28,185,103,358.89/188,765.23
  6. Step 6: Final answer
    x = 149,313.00

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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.