Home / 188,115.39-259,599.21-103,232.43

Finding the Fourth Proportional to 188,115.39, 259,599.21 and 103,232.43

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Solution

The fourth proportional to 188,115.39, 259,599.21 and 103,232.43 is: 142,460.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,115.39 : 259,599.21 = 103,232.43 : x
  2. Step 2: Convert to fraction form
    188,115.39/259,599.21 = 103,232.43/x
  3. Step 3: Cross multiply
    188,115.39x = 259,599.21 × 103,232.43
  4. Step 4: Simplify right side
    188,115.39x = 26,799,057,274.38
  5. Step 5: Solve for x
    x = 26,799,057,274.38/188,115.39
  6. Step 6: Final answer
    x = 142,460.74

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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.