Home / 161,939.22-223,394.40-108,295.62

Finding the Fourth Proportional to 161,939.22, 223,394.40 and 108,295.62

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Solution

The fourth proportional to 161,939.22, 223,394.40 and 108,295.62 is: 149,393.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,939.22 : 223,394.40 = 108,295.62 : x
  2. Step 2: Convert to fraction form
    161,939.22/223,394.40 = 108,295.62/x
  3. Step 3: Cross multiply
    161,939.22x = 223,394.40 × 108,295.62
  4. Step 4: Simplify right side
    161,939.22x = 24,192,635,052.53
  5. Step 5: Solve for x
    x = 24,192,635,052.53/161,939.22
  6. Step 6: Final answer
    x = 149,393.30

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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.