Home / 188,714.22-260,429.59-103,831.44

Finding the Fourth Proportional to 188,714.22, 260,429.59 and 103,831.44

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Solution

The fourth proportional to 188,714.22, 260,429.59 and 103,831.44 is: 143,289.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,714.22 : 260,429.59 = 103,831.44 : x
  2. Step 2: Convert to fraction form
    188,714.22/260,429.59 = 103,831.44/x
  3. Step 3: Cross multiply
    188,714.22x = 260,429.59 × 103,831.44
  4. Step 4: Simplify right side
    188,714.22x = 27,040,779,348.31
  5. Step 5: Solve for x
    x = 27,040,779,348.31/188,714.22
  6. Step 6: Final answer
    x = 143,289.57

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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.