Home / 225,222.16-310,806.56-123,247.64

Finding the Fourth Proportional to 225,222.16, 310,806.56 and 123,247.64

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Solution

The fourth proportional to 225,222.16, 310,806.56 and 123,247.64 is: 170,081.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,222.16 : 310,806.56 = 123,247.64 : x
  2. Step 2: Convert to fraction form
    225,222.16/310,806.56 = 123,247.64/x
  3. Step 3: Cross multiply
    225,222.16x = 310,806.56 × 123,247.64
  4. Step 4: Simplify right side
    225,222.16x = 38,306,175,016.52
  5. Step 5: Solve for x
    x = 38,306,175,016.52/225,222.16
  6. Step 6: Final answer
    x = 170,081.73

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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.