Home / 126,949.96-190,189.50-63,695.80

Finding the Fourth Proportional to 126,949.96, 190,189.50 and 63,695.80

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Solution

The fourth proportional to 126,949.96, 190,189.50 and 63,695.80 is: 95,425.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,949.96 : 190,189.50 = 63,695.80 : x
  2. Step 2: Convert to fraction form
    126,949.96/190,189.50 = 63,695.80/x
  3. Step 3: Cross multiply
    126,949.96x = 190,189.50 × 63,695.80
  4. Step 4: Simplify right side
    126,949.96x = 12,114,272,354.10
  5. Step 5: Solve for x
    x = 12,114,272,354.10/126,949.96
  6. Step 6: Final answer
    x = 95,425.57

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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.