Home / 126,751.19-190,196.91-51,923.88

Finding the Fourth Proportional to 126,751.19, 190,196.91 and 51,923.88

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Solution

The fourth proportional to 126,751.19, 190,196.91 and 51,923.88 is: 77,914.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,751.19 : 190,196.91 = 51,923.88 : x
  2. Step 2: Convert to fraction form
    126,751.19/190,196.91 = 51,923.88/x
  3. Step 3: Cross multiply
    126,751.19x = 190,196.91 × 51,923.88
  4. Step 4: Simplify right side
    126,751.19x = 9,875,761,531.21
  5. Step 5: Solve for x
    x = 9,875,761,531.21/126,751.19
  6. Step 6: Final answer
    x = 77,914.55

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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.