Home / 202,163.04-279,084.96-156,738.24

Finding the Fourth Proportional to 202,163.04, 279,084.96 and 156,738.24

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Solution

The fourth proportional to 202,163.04, 279,084.96 and 156,738.24 is: 216,376.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,163.04 : 279,084.96 = 156,738.24 : x
  2. Step 2: Convert to fraction form
    202,163.04/279,084.96 = 156,738.24/x
  3. Step 3: Cross multiply
    202,163.04x = 279,084.96 × 156,738.24
  4. Step 4: Simplify right side
    202,163.04x = 43,743,285,440.87
  5. Step 5: Solve for x
    x = 43,743,285,440.87/202,163.04
  6. Step 6: Final answer
    x = 216,376.27

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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.