Home / 127,314.52-190,966.92-43,081

Finding the Fourth Proportional to 127,314.52, 190,966.92 and 43,081

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Solution

The fourth proportional to 127,314.52, 190,966.92 and 43,081 is: 64,619.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,314.52 : 190,966.92 = 43,081 : x
  2. Step 2: Convert to fraction form
    127,314.52/190,966.92 = 43,081/x
  3. Step 3: Cross multiply
    127,314.52x = 190,966.92 × 43,081
  4. Step 4: Simplify right side
    127,314.52x = 8,227,045,880.52
  5. Step 5: Solve for x
    x = 8,227,045,880.52/127,314.52
  6. Step 6: Final answer
    x = 64,619.86

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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.