Home / 138,832.11-208,248.12-33,651.05

Finding the Fourth Proportional to 138,832.11, 208,248.12 and 33,651.05

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Solution

The fourth proportional to 138,832.11, 208,248.12 and 33,651.05 is: 50,476.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,832.11 : 208,248.12 = 33,651.05 : x
  2. Step 2: Convert to fraction form
    138,832.11/208,248.12 = 33,651.05/x
  3. Step 3: Cross multiply
    138,832.11x = 208,248.12 × 33,651.05
  4. Step 4: Simplify right side
    138,832.11x = 7,007,766,857.29
  5. Step 5: Solve for x
    x = 7,007,766,857.29/138,832.11
  6. Step 6: Final answer
    x = 50,476.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.