Home / 188,965.93-260,767.63-102,922.96

Finding the Fourth Proportional to 188,965.93, 260,767.63 and 102,922.96

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Solution

The fourth proportional to 188,965.93, 260,767.63 and 102,922.96 is: 142,030.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,965.93 : 260,767.63 = 102,922.96 : x
  2. Step 2: Convert to fraction form
    188,965.93/260,767.63 = 102,922.96/x
  3. Step 3: Cross multiply
    188,965.93x = 260,767.63 × 102,922.96
  4. Step 4: Simplify right side
    188,965.93x = 26,838,976,351.78
  5. Step 5: Solve for x
    x = 26,838,976,351.78/188,965.93
  6. Step 6: Final answer
    x = 142,030.77

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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.