Home / 202,766.44-279,814.77-112,120.42

Finding the Fourth Proportional to 202,766.44, 279,814.77 and 112,120.42

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Solution

The fourth proportional to 202,766.44, 279,814.77 and 112,120.42 is: 154,724.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,766.44 : 279,814.77 = 112,120.42 : x
  2. Step 2: Convert to fraction form
    202,766.44/279,814.77 = 112,120.42/x
  3. Step 3: Cross multiply
    202,766.44x = 279,814.77 × 112,120.42
  4. Step 4: Simplify right side
    202,766.44x = 31,372,949,534.60
  5. Step 5: Solve for x
    x = 31,372,949,534.60/202,766.44
  6. Step 6: Final answer
    x = 154,724.57

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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.