Home / 188,616.23-260,295.32-103,735.52

Finding the Fourth Proportional to 188,616.23, 260,295.32 and 103,735.52

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Solution

The fourth proportional to 188,616.23, 260,295.32 and 103,735.52 is: 143,157.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,616.23 : 260,295.32 = 103,735.52 : x
  2. Step 2: Convert to fraction form
    188,616.23/260,295.32 = 103,735.52/x
  3. Step 3: Cross multiply
    188,616.23x = 260,295.32 × 103,735.52
  4. Step 4: Simplify right side
    188,616.23x = 27,001,869,723.03
  5. Step 5: Solve for x
    x = 27,001,869,723.03/188,616.23
  6. Step 6: Final answer
    x = 143,157.72

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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.