Home / 202,561.11-279,539.96-111,922.91

Finding the Fourth Proportional to 202,561.11, 279,539.96 and 111,922.91

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Solution

The fourth proportional to 202,561.11, 279,539.96 and 111,922.91 is: 154,456.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,561.11 : 279,539.96 = 111,922.91 : x
  2. Step 2: Convert to fraction form
    202,561.11/279,539.96 = 111,922.91/x
  3. Step 3: Cross multiply
    202,561.11x = 279,539.96 × 111,922.91
  4. Step 4: Simplify right side
    202,561.11x = 31,286,925,574.96
  5. Step 5: Solve for x
    x = 31,286,925,574.96/202,561.11
  6. Step 6: Final answer
    x = 154,456.73

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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.