Home / 165,724.60-248,781.30-164,558.20

Finding the Fourth Proportional to 165,724.60, 248,781.30 and 164,558.20

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Solution

The fourth proportional to 165,724.60, 248,781.30 and 164,558.20 is: 247,030.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,724.60 : 248,781.30 = 164,558.20 : x
  2. Step 2: Convert to fraction form
    165,724.60/248,781.30 = 164,558.20/x
  3. Step 3: Cross multiply
    165,724.60x = 248,781.30 × 164,558.20
  4. Step 4: Simplify right side
    165,724.60x = 40,939,002,921.66
  5. Step 5: Solve for x
    x = 40,939,002,921.66/165,724.60
  6. Step 6: Final answer
    x = 247,030.33

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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.