Home / 164,970.57-227,659.99-89,519.07

Finding the Fourth Proportional to 164,970.57, 227,659.99 and 89,519.07

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Solution

The fourth proportional to 164,970.57, 227,659.99 and 89,519.07 is: 123,536.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,970.57 : 227,659.99 = 89,519.07 : x
  2. Step 2: Convert to fraction form
    164,970.57/227,659.99 = 89,519.07/x
  3. Step 3: Cross multiply
    164,970.57x = 227,659.99 × 89,519.07
  4. Step 4: Simplify right side
    164,970.57x = 20,379,910,581.01
  5. Step 5: Solve for x
    x = 20,379,910,581.01/164,970.57
  6. Step 6: Final answer
    x = 123,536.64

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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.