Home / 202,723.30-279,753.77-112,083.08

Finding the Fourth Proportional to 202,723.30, 279,753.77 and 112,083.08

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Solution

The fourth proportional to 202,723.30, 279,753.77 and 112,083.08 is: 154,672.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,723.30 : 279,753.77 = 112,083.08 : x
  2. Step 2: Convert to fraction form
    202,723.30/279,753.77 = 112,083.08/x
  3. Step 3: Cross multiply
    202,723.30x = 279,753.77 × 112,083.08
  4. Step 4: Simplify right side
    202,723.30x = 31,355,665,162.80
  5. Step 5: Solve for x
    x = 31,355,665,162.80/202,723.30
  6. Step 6: Final answer
    x = 154,672.23

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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.