Home / 161,998.96-223,557.88-90,379.04

Finding the Fourth Proportional to 161,998.96, 223,557.88 and 90,379.04

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Solution

The fourth proportional to 161,998.96, 223,557.88 and 90,379.04 is: 124,722.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,998.96 : 223,557.88 = 90,379.04 : x
  2. Step 2: Convert to fraction form
    161,998.96/223,557.88 = 90,379.04/x
  3. Step 3: Cross multiply
    161,998.96x = 223,557.88 × 90,379.04
  4. Step 4: Simplify right side
    161,998.96x = 20,204,946,578.84
  5. Step 5: Solve for x
    x = 20,204,946,578.84/161,998.96
  6. Step 6: Final answer
    x = 124,722.69

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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.