Home / 161,998.10-223,553.04-90,376.28

Finding the Fourth Proportional to 161,998.10, 223,553.04 and 90,376.28

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Solution

The fourth proportional to 161,998.10, 223,553.04 and 90,376.28 is: 124,716.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,998.10 : 223,553.04 = 90,376.28 : x
  2. Step 2: Convert to fraction form
    161,998.10/223,553.04 = 90,376.28/x
  3. Step 3: Cross multiply
    161,998.10x = 223,553.04 × 90,376.28
  4. Step 4: Simplify right side
    161,998.10x = 20,203,891,020.13
  5. Step 5: Solve for x
    x = 20,203,891,020.13/161,998.10
  6. Step 6: Final answer
    x = 124,716.84

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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.