Home / 202,500.98-279,450.24-111,863.18

Finding the Fourth Proportional to 202,500.98, 279,450.24 and 111,863.18

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Solution

The fourth proportional to 202,500.98, 279,450.24 and 111,863.18 is: 154,370.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,500.98 : 279,450.24 = 111,863.18 : x
  2. Step 2: Convert to fraction form
    202,500.98/279,450.24 = 111,863.18/x
  3. Step 3: Cross multiply
    202,500.98x = 279,450.24 × 111,863.18
  4. Step 4: Simplify right side
    202,500.98x = 31,260,192,498.16
  5. Step 5: Solve for x
    x = 31,260,192,498.16/202,500.98
  6. Step 6: Final answer
    x = 154,370.57

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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.