Home / 202,356.15-279,251.88-111,712.23

Finding the Fourth Proportional to 202,356.15, 279,251.88 and 111,712.23

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Solution

The fourth proportional to 202,356.15, 279,251.88 and 111,712.23 is: 154,163.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,356.15 : 279,251.88 = 111,712.23 : x
  2. Step 2: Convert to fraction form
    202,356.15/279,251.88 = 111,712.23/x
  3. Step 3: Cross multiply
    202,356.15x = 279,251.88 × 111,712.23
  4. Step 4: Simplify right side
    202,356.15x = 31,195,850,246.49
  5. Step 5: Solve for x
    x = 31,195,850,246.49/202,356.15
  6. Step 6: Final answer
    x = 154,163.09

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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.