Home / 138,841.33-208,262.68-33,660.30

Finding the Fourth Proportional to 138,841.33, 208,262.68 and 33,660.30

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Solution

The fourth proportional to 138,841.33, 208,262.68 and 33,660.30 is: 50,490.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,841.33 : 208,262.68 = 33,660.30 : x
  2. Step 2: Convert to fraction form
    138,841.33/208,262.68 = 33,660.30/x
  3. Step 3: Cross multiply
    138,841.33x = 208,262.68 × 33,660.30
  4. Step 4: Simplify right side
    138,841.33x = 7,010,184,287.60
  5. Step 5: Solve for x
    x = 7,010,184,287.60/138,841.33
  6. Step 6: Final answer
    x = 50,490.62

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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.