Home / 223,961.58-309,066.92-123,359.58

Finding the Fourth Proportional to 223,961.58, 309,066.92 and 123,359.58

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Solution

The fourth proportional to 223,961.58, 309,066.92 and 123,359.58 is: 170,236.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,961.58 : 309,066.92 = 123,359.58 : x
  2. Step 2: Convert to fraction form
    223,961.58/309,066.92 = 123,359.58/x
  3. Step 3: Cross multiply
    223,961.58x = 309,066.92 × 123,359.58
  4. Step 4: Simplify right side
    223,961.58x = 38,126,365,443.09
  5. Step 5: Solve for x
    x = 38,126,365,443.09/223,961.58
  6. Step 6: Final answer
    x = 170,236.19

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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.