Home / 164,939.12-227,617.44-89,489.12

Finding the Fourth Proportional to 164,939.12, 227,617.44 and 89,489.12

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Solution

The fourth proportional to 164,939.12, 227,617.44 and 89,489.12 is: 123,495.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,939.12 : 227,617.44 = 89,489.12 : x
  2. Step 2: Convert to fraction form
    164,939.12/227,617.44 = 89,489.12/x
  3. Step 3: Cross multiply
    164,939.12x = 227,617.44 × 89,489.12
  4. Step 4: Simplify right side
    164,939.12x = 20,369,284,402.25
  5. Step 5: Solve for x
    x = 20,369,284,402.25/164,939.12
  6. Step 6: Final answer
    x = 123,495.77

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1.5x scale

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.