Home / 126,962.40-190,492.20-124,969.80

Finding the Fourth Proportional to 126,962.40, 190,492.20 and 124,969.80

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Solution

The fourth proportional to 126,962.40, 190,492.20 and 124,969.80 is: 187,502.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,962.40 : 190,492.20 = 124,969.80 : x
  2. Step 2: Convert to fraction form
    126,962.40/190,492.20 = 124,969.80/x
  3. Step 3: Cross multiply
    126,962.40x = 190,492.20 × 124,969.80
  4. Step 4: Simplify right side
    126,962.40x = 23,805,772,135.56
  5. Step 5: Solve for x
    x = 23,805,772,135.56/126,962.40
  6. Step 6: Final answer
    x = 187,502.54

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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.