Home / 188,260.11-259,799.28-103,382.55

Finding the Fourth Proportional to 188,260.11, 259,799.28 and 103,382.55

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Solution

The fourth proportional to 188,260.11, 259,799.28 and 103,382.55 is: 142,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,260.11 : 259,799.28 = 103,382.55 : x
  2. Step 2: Convert to fraction form
    188,260.11/259,799.28 = 103,382.55/x
  3. Step 3: Cross multiply
    188,260.11x = 259,799.28 × 103,382.55
  4. Step 4: Simplify right side
    188,260.11x = 26,858,712,054.56
  5. Step 5: Solve for x
    x = 26,858,712,054.56/188,260.11
  6. Step 6: Final answer
    x = 142,668.10

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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.