Home / 138,610.00-207,940.61-43,864.02

Finding the Fourth Proportional to 138,610.00, 207,940.61 and 43,864.02

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Solution

The fourth proportional to 138,610.00, 207,940.61 and 43,864.02 is: 65,804.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,610.00 : 207,940.61 = 43,864.02 : x
  2. Step 2: Convert to fraction form
    138,610.00/207,940.61 = 43,864.02/x
  3. Step 3: Cross multiply
    138,610.00x = 207,940.61 × 43,864.02
  4. Step 4: Simplify right side
    138,610.00x = 9,121,111,185.51
  5. Step 5: Solve for x
    x = 9,121,111,185.51/138,610.00
  6. Step 6: Final answer
    x = 65,804.13

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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.