Home / 127,949.55-191,906.10-43,713.60

Finding the Fourth Proportional to 127,949.55, 191,906.10 and 43,713.60

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Solution

The fourth proportional to 127,949.55, 191,906.10 and 43,713.60 is: 65,564.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,949.55 : 191,906.10 = 43,713.60 : x
  2. Step 2: Convert to fraction form
    127,949.55/191,906.10 = 43,713.60/x
  3. Step 3: Cross multiply
    127,949.55x = 191,906.10 × 43,713.60
  4. Step 4: Simplify right side
    127,949.55x = 8,388,906,492.96
  5. Step 5: Solve for x
    x = 8,388,906,492.96/127,949.55
  6. Step 6: Final answer
    x = 65,564.17

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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.