Home / 202,518.05-279,477.25-111,872.14

Finding the Fourth Proportional to 202,518.05, 279,477.25 and 111,872.14

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Solution

The fourth proportional to 202,518.05, 279,477.25 and 111,872.14 is: 154,384.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,518.05 : 279,477.25 = 111,872.14 : x
  2. Step 2: Convert to fraction form
    202,518.05/279,477.25 = 111,872.14/x
  3. Step 3: Cross multiply
    202,518.05x = 279,477.25 × 111,872.14
  4. Step 4: Simplify right side
    202,518.05x = 31,265,717,060.44
  5. Step 5: Solve for x
    x = 31,265,717,060.44/202,518.05
  6. Step 6: Final answer
    x = 154,384.85

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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.