Home / 164,659.12-227,228.16-89,207.44

Finding the Fourth Proportional to 164,659.12, 227,228.16 and 89,207.44

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Solution

The fourth proportional to 164,659.12, 227,228.16 and 89,207.44 is: 123,105.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,659.12 : 227,228.16 = 89,207.44 : x
  2. Step 2: Convert to fraction form
    164,659.12/227,228.16 = 89,207.44/x
  3. Step 3: Cross multiply
    164,659.12x = 227,228.16 × 89,207.44
  4. Step 4: Simplify right side
    164,659.12x = 20,270,442,449.51
  5. Step 5: Solve for x
    x = 20,270,442,449.51/164,659.12
  6. Step 6: Final answer
    x = 123,105.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.