Home / 126,936.96-190,492.92-43,830.96

Finding the Fourth Proportional to 126,936.96, 190,492.92 and 43,830.96

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Solution

The fourth proportional to 126,936.96, 190,492.92 and 43,830.96 is: 65,776.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,936.96 : 190,492.92 = 43,830.96 : x
  2. Step 2: Convert to fraction form
    126,936.96/190,492.92 = 43,830.96/x
  3. Step 3: Cross multiply
    126,936.96x = 190,492.92 × 43,830.96
  4. Step 4: Simplify right side
    126,936.96x = 8,349,487,556.80
  5. Step 5: Solve for x
    x = 8,349,487,556.80/126,936.96
  6. Step 6: Final answer
    x = 65,776.65

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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.