Home / 107,696.39-161,637.93-107,447.31

Finding the Fourth Proportional to 107,696.39, 161,637.93 and 107,447.31

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Solution

The fourth proportional to 107,696.39, 161,637.93 and 107,447.31 is: 161,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,696.39 : 161,637.93 = 107,447.31 : x
  2. Step 2: Convert to fraction form
    107,696.39/161,637.93 = 107,447.31/x
  3. Step 3: Cross multiply
    107,696.39x = 161,637.93 × 107,447.31
  4. Step 4: Simplify right side
    107,696.39x = 17,367,560,772.47
  5. Step 5: Solve for x
    x = 17,367,560,772.47/107,696.39
  6. Step 6: Final answer
    x = 161,264.10

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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.