Home / 202,447.42-279,377.91-111,801.74

Finding the Fourth Proportional to 202,447.42, 279,377.91 and 111,801.74

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Solution

The fourth proportional to 202,447.42, 279,377.91 and 111,801.74 is: 154,286.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,447.42 : 279,377.91 = 111,801.74 : x
  2. Step 2: Convert to fraction form
    202,447.42/279,377.91 = 111,801.74/x
  3. Step 3: Cross multiply
    202,447.42x = 279,377.91 × 111,801.74
  4. Step 4: Simplify right side
    202,447.42x = 31,234,935,058.67
  5. Step 5: Solve for x
    x = 31,234,935,058.67/202,447.42
  6. Step 6: Final answer
    x = 154,286.66

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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.