Home / 126,961.40-190,490.70-124,968.80

Finding the Fourth Proportional to 126,961.40, 190,490.70 and 124,968.80

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Solution

The fourth proportional to 126,961.40, 190,490.70 and 124,968.80 is: 187,501.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,961.40 : 190,490.70 = 124,968.80 : x
  2. Step 2: Convert to fraction form
    126,961.40/190,490.70 = 124,968.80/x
  3. Step 3: Cross multiply
    126,961.40x = 190,490.70 × 124,968.80
  4. Step 4: Simplify right side
    126,961.40x = 23,805,394,190.16
  5. Step 5: Solve for x
    x = 23,805,394,190.16/126,961.40
  6. Step 6: Final answer
    x = 187,501.04

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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.