Home / 188,811.92-260,560.20-103,934.42

Finding the Fourth Proportional to 188,811.92, 260,560.20 and 103,934.42

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Solution

The fourth proportional to 188,811.92, 260,560.20 and 103,934.42 is: 143,429.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,811.92 : 260,560.20 = 103,934.42 : x
  2. Step 2: Convert to fraction form
    188,811.92/260,560.20 = 103,934.42/x
  3. Step 3: Cross multiply
    188,811.92x = 260,560.20 × 103,934.42
  4. Step 4: Simplify right side
    188,811.92x = 27,081,173,262.08
  5. Step 5: Solve for x
    x = 27,081,173,262.08/188,811.92
  6. Step 6: Final answer
    x = 143,429.36

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1.5x scale

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.