Home / 202,400.25-279,316.79-111,755.97

Finding the Fourth Proportional to 202,400.25, 279,316.79 and 111,755.97

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Solution

The fourth proportional to 202,400.25, 279,316.79 and 111,755.97 is: 154,225.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,400.25 : 279,316.79 = 111,755.97 : x
  2. Step 2: Convert to fraction form
    202,400.25/279,316.79 = 111,755.97/x
  3. Step 3: Cross multiply
    202,400.25x = 279,316.79 × 111,755.97
  4. Step 4: Simplify right side
    202,400.25x = 31,215,318,244.96
  5. Step 5: Solve for x
    x = 31,215,318,244.96/202,400.25
  6. Step 6: Final answer
    x = 154,225.69

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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.