Home / 188,583.13-260,233.86-103,700.26

Finding the Fourth Proportional to 188,583.13, 260,233.86 and 103,700.26

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Solution

The fourth proportional to 188,583.13, 260,233.86 and 103,700.26 is: 143,100.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,583.13 : 260,233.86 = 103,700.26 : x
  2. Step 2: Convert to fraction form
    188,583.13/260,233.86 = 103,700.26/x
  3. Step 3: Cross multiply
    188,583.13x = 260,233.86 × 103,700.26
  4. Step 4: Simplify right side
    188,583.13x = 26,986,318,942.80
  5. Step 5: Solve for x
    x = 26,986,318,942.80/188,583.13
  6. Step 6: Final answer
    x = 143,100.39

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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.