Home / 188,543.24-260,182.98-103,659.64

Finding the Fourth Proportional to 188,543.24, 260,182.98 and 103,659.64

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Solution

The fourth proportional to 188,543.24, 260,182.98 and 103,659.64 is: 143,046.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,543.24 : 260,182.98 = 103,659.64 : x
  2. Step 2: Convert to fraction form
    188,543.24/260,182.98 = 103,659.64/x
  3. Step 3: Cross multiply
    188,543.24x = 260,182.98 × 103,659.64
  4. Step 4: Simplify right side
    188,543.24x = 26,970,474,040.93
  5. Step 5: Solve for x
    x = 26,970,474,040.93/188,543.24
  6. Step 6: Final answer
    x = 143,046.62

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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.