Home / 188,514.04-260,152.62-103,634.68

Finding the Fourth Proportional to 188,514.04, 260,152.62 and 103,634.68

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Solution

The fourth proportional to 188,514.04, 260,152.62 and 103,634.68 is: 143,017.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,514.04 : 260,152.62 = 103,634.68 : x
  2. Step 2: Convert to fraction form
    188,514.04/260,152.62 = 103,634.68/x
  3. Step 3: Cross multiply
    188,514.04x = 260,152.62 × 103,634.68
  4. Step 4: Simplify right side
    188,514.04x = 26,960,833,524.86
  5. Step 5: Solve for x
    x = 26,960,833,524.86/188,514.04
  6. Step 6: Final answer
    x = 143,017.64

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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.