Home / 127,027.17-190,614.56-56,906.48

Finding the Fourth Proportional to 127,027.17, 190,614.56 and 56,906.48

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Solution

The fourth proportional to 127,027.17, 190,614.56 and 56,906.48 is: 85,392.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,027.17 : 190,614.56 = 56,906.48 : x
  2. Step 2: Convert to fraction form
    127,027.17/190,614.56 = 56,906.48/x
  3. Step 3: Cross multiply
    127,027.17x = 190,614.56 × 56,906.48
  4. Step 4: Simplify right side
    127,027.17x = 10,847,203,838.35
  5. Step 5: Solve for x
    x = 10,847,203,838.35/127,027.17
  6. Step 6: Final answer
    x = 85,392.79

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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.