Home / 126,914.84-190,396.28-51,019.25

Finding the Fourth Proportional to 126,914.84, 190,396.28 and 51,019.25

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Solution

The fourth proportional to 126,914.84, 190,396.28 and 51,019.25 is: 76,538.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,914.84 : 190,396.28 = 51,019.25 : x
  2. Step 2: Convert to fraction form
    126,914.84/190,396.28 = 51,019.25/x
  3. Step 3: Cross multiply
    126,914.84x = 190,396.28 × 51,019.25
  4. Step 4: Simplify right side
    126,914.84x = 9,713,876,011.93
  5. Step 5: Solve for x
    x = 9,713,876,011.93/126,914.84
  6. Step 6: Final answer
    x = 76,538.54

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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.