Home / 127,960.20-191,940.28-68,714.37

Finding the Fourth Proportional to 127,960.20, 191,940.28 and 68,714.37

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Solution

The fourth proportional to 127,960.20, 191,940.28 and 68,714.37 is: 103,071.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,960.20 : 191,940.28 = 68,714.37 : x
  2. Step 2: Convert to fraction form
    127,960.20/191,940.28 = 68,714.37/x
  3. Step 3: Cross multiply
    127,960.20x = 191,940.28 × 68,714.37
  4. Step 4: Simplify right side
    127,960.20x = 13,189,055,246.04
  5. Step 5: Solve for x
    x = 13,189,055,246.04/127,960.20
  6. Step 6: Final answer
    x = 103,071.54

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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.