Home / 123,998.96-186,001.68-39,767.28

Finding the Fourth Proportional to 123,998.96, 186,001.68 and 39,767.28

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Solution

The fourth proportional to 123,998.96, 186,001.68 and 39,767.28 is: 59,651.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,998.96 : 186,001.68 = 39,767.28 : x
  2. Step 2: Convert to fraction form
    123,998.96/186,001.68 = 39,767.28/x
  3. Step 3: Cross multiply
    123,998.96x = 186,001.68 × 39,767.28
  4. Step 4: Simplify right side
    123,998.96x = 7,396,780,889.03
  5. Step 5: Solve for x
    x = 7,396,780,889.03/123,998.96
  6. Step 6: Final answer
    x = 59,651.96

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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.