Home / 202,340.75-279,215.91-111,682.17

Finding the Fourth Proportional to 202,340.75, 279,215.91 and 111,682.17

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Solution

The fourth proportional to 202,340.75, 279,215.91 and 111,682.17 is: 154,113.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,340.75 : 279,215.91 = 111,682.17 : x
  2. Step 2: Convert to fraction form
    202,340.75/279,215.91 = 111,682.17/x
  3. Step 3: Cross multiply
    202,340.75x = 279,215.91 × 111,682.17
  4. Step 4: Simplify right side
    202,340.75x = 31,183,438,727.32
  5. Step 5: Solve for x
    x = 31,183,438,727.32/202,340.75
  6. Step 6: Final answer
    x = 154,113.49

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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.