Home / 127,847.14-191,739.96-39,101.42

Finding the Fourth Proportional to 127,847.14, 191,739.96 and 39,101.42

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Solution

The fourth proportional to 127,847.14, 191,739.96 and 39,101.42 is: 58,642.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,847.14 : 191,739.96 = 39,101.42 : x
  2. Step 2: Convert to fraction form
    127,847.14/191,739.96 = 39,101.42/x
  3. Step 3: Cross multiply
    127,847.14x = 191,739.96 × 39,101.42
  4. Step 4: Simplify right side
    127,847.14x = 7,497,304,706.74
  5. Step 5: Solve for x
    x = 7,497,304,706.74/127,847.14
  6. Step 6: Final answer
    x = 58,642.73

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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.