Home / 226,510.16-312,586.04-123,144.56

Finding the Fourth Proportional to 226,510.16, 312,586.04 and 123,144.56

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Solution

The fourth proportional to 226,510.16, 312,586.04 and 123,144.56 is: 169,940.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,510.16 : 312,586.04 = 123,144.56 : x
  2. Step 2: Convert to fraction form
    226,510.16/312,586.04 = 123,144.56/x
  3. Step 3: Cross multiply
    226,510.16x = 312,586.04 × 123,144.56
  4. Step 4: Simplify right side
    226,510.16x = 38,493,268,179.29
  5. Step 5: Solve for x
    x = 38,493,268,179.29/226,510.16
  6. Step 6: Final answer
    x = 169,940.58

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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.