Home / 127,305.92-190,959.42-43,066.74

Finding the Fourth Proportional to 127,305.92, 190,959.42 and 43,066.74

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Solution

The fourth proportional to 127,305.92, 190,959.42 and 43,066.74 is: 64,600.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,305.92 : 190,959.42 = 43,066.74 : x
  2. Step 2: Convert to fraction form
    127,305.92/190,959.42 = 43,066.74/x
  3. Step 3: Cross multiply
    127,305.92x = 190,959.42 × 43,066.74
  4. Step 4: Simplify right side
    127,305.92x = 8,223,999,691.69
  5. Step 5: Solve for x
    x = 8,223,999,691.69/127,305.92
  6. Step 6: Final answer
    x = 64,600.29

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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.