Home / 164,579.12-227,119.56-89,127.60

Finding the Fourth Proportional to 164,579.12, 227,119.56 and 89,127.60

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Solution

The fourth proportional to 164,579.12, 227,119.56 and 89,127.60 is: 122,996.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,579.12 : 227,119.56 = 89,127.60 : x
  2. Step 2: Convert to fraction form
    164,579.12/227,119.56 = 89,127.60/x
  3. Step 3: Cross multiply
    164,579.12x = 227,119.56 × 89,127.60
  4. Step 4: Simplify right side
    164,579.12x = 20,242,621,295.86
  5. Step 5: Solve for x
    x = 20,242,621,295.86/164,579.12
  6. Step 6: Final answer
    x = 122,996.29

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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.