Home / 127,360.19-190,990.24-43,097.15

Finding the Fourth Proportional to 127,360.19, 190,990.24 and 43,097.15

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Solution

The fourth proportional to 127,360.19, 190,990.24 and 43,097.15 is: 64,628.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,360.19 : 190,990.24 = 43,097.15 : x
  2. Step 2: Convert to fraction form
    127,360.19/190,990.24 = 43,097.15/x
  3. Step 3: Cross multiply
    127,360.19x = 190,990.24 × 43,097.15
  4. Step 4: Simplify right side
    127,360.19x = 8,231,135,021.82
  5. Step 5: Solve for x
    x = 8,231,135,021.82/127,360.19
  6. Step 6: Final answer
    x = 64,628.79

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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.