Home / 188,474.36-260,095.18-103,600.12

Finding the Fourth Proportional to 188,474.36, 260,095.18 and 103,600.12

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Solution

The fourth proportional to 188,474.36, 260,095.18 and 103,600.12 is: 142,968.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,474.36 : 260,095.18 = 103,600.12 : x
  2. Step 2: Convert to fraction form
    188,474.36/260,095.18 = 103,600.12/x
  3. Step 3: Cross multiply
    188,474.36x = 260,095.18 × 103,600.12
  4. Step 4: Simplify right side
    188,474.36x = 26,945,891,859.42
  5. Step 5: Solve for x
    x = 26,945,891,859.42/188,474.36
  6. Step 6: Final answer
    x = 142,968.48

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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.