Home / 202,351.42-279,247.22-111,707.44

Finding the Fourth Proportional to 202,351.42, 279,247.22 and 111,707.44

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Solution

The fourth proportional to 202,351.42, 279,247.22 and 111,707.44 is: 154,157.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,351.42 : 279,247.22 = 111,707.44 : x
  2. Step 2: Convert to fraction form
    202,351.42/279,247.22 = 111,707.44/x
  3. Step 3: Cross multiply
    202,351.42x = 279,247.22 × 111,707.44
  4. Step 4: Simplify right side
    202,351.42x = 31,193,992,073.32
  5. Step 5: Solve for x
    x = 31,193,992,073.32/202,351.42
  6. Step 6: Final answer
    x = 154,157.52

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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.