Home / 127,961.56-191,942.36-65,592.28

Finding the Fourth Proportional to 127,961.56, 191,942.36 and 65,592.28

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Solution

The fourth proportional to 127,961.56, 191,942.36 and 65,592.28 is: 98,388.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,961.56 : 191,942.36 = 65,592.28 : x
  2. Step 2: Convert to fraction form
    127,961.56/191,942.36 = 65,592.28/x
  3. Step 3: Cross multiply
    127,961.56x = 191,942.36 × 65,592.28
  4. Step 4: Simplify right side
    127,961.56x = 12,589,937,020.98
  5. Step 5: Solve for x
    x = 12,589,937,020.98/127,961.56
  6. Step 6: Final answer
    x = 98,388.43

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1.5x scale

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.