Home / 127,036.16-190,583.04-43,930.88

Finding the Fourth Proportional to 127,036.16, 190,583.04 and 43,930.88

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Solution

The fourth proportional to 127,036.16, 190,583.04 and 43,930.88 is: 65,906.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,036.16 : 190,583.04 = 43,930.88 : x
  2. Step 2: Convert to fraction form
    127,036.16/190,583.04 = 43,930.88/x
  3. Step 3: Cross multiply
    127,036.16x = 190,583.04 × 43,930.88
  4. Step 4: Simplify right side
    127,036.16x = 8,372,480,660.28
  5. Step 5: Solve for x
    x = 8,372,480,660.28/127,036.16
  6. Step 6: Final answer
    x = 65,906.28

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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.