Home / 238,715.14-329,419.24-131,284.84

Finding the Fourth Proportional to 238,715.14, 329,419.24 and 131,284.84

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Solution

The fourth proportional to 238,715.14, 329,419.24 and 131,284.84 is: 181,168.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,715.14 : 329,419.24 = 131,284.84 : x
  2. Step 2: Convert to fraction form
    238,715.14/329,419.24 = 131,284.84/x
  3. Step 3: Cross multiply
    238,715.14x = 329,419.24 × 131,284.84
  4. Step 4: Simplify right side
    238,715.14x = 43,247,752,216.32
  5. Step 5: Solve for x
    x = 43,247,752,216.32/238,715.14
  6. Step 6: Final answer
    x = 181,168.87

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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.