Home / 188,566.60-260,233.14-103,690.12

Finding the Fourth Proportional to 188,566.60, 260,233.14 and 103,690.12

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Solution

The fourth proportional to 188,566.60, 260,233.14 and 103,690.12 is: 143,098.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,566.60 : 260,233.14 = 103,690.12 : x
  2. Step 2: Convert to fraction form
    188,566.60/260,233.14 = 103,690.12/x
  3. Step 3: Cross multiply
    188,566.60x = 260,233.14 × 103,690.12
  4. Step 4: Simplify right side
    188,566.60x = 26,983,605,514.58
  5. Step 5: Solve for x
    x = 26,983,605,514.58/188,566.60
  6. Step 6: Final answer
    x = 143,098.54

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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.