Home / 220,207.38-303,886.42-119,605.38

Finding the Fourth Proportional to 220,207.38, 303,886.42 and 119,605.38

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Solution

The fourth proportional to 220,207.38, 303,886.42 and 119,605.38 is: 165,055.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,207.38 : 303,886.42 = 119,605.38 : x
  2. Step 2: Convert to fraction form
    220,207.38/303,886.42 = 119,605.38/x
  3. Step 3: Cross multiply
    220,207.38x = 303,886.42 × 119,605.38
  4. Step 4: Simplify right side
    220,207.38x = 36,346,450,740.94
  5. Step 5: Solve for x
    x = 36,346,450,740.94/220,207.38
  6. Step 6: Final answer
    x = 165,055.55

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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.