Home / 193,438.06-266,956.37-108,555.13

Finding the Fourth Proportional to 193,438.06, 266,956.37 and 108,555.13

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Solution

The fourth proportional to 193,438.06, 266,956.37 and 108,555.13 is: 149,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,438.06 : 266,956.37 = 108,555.13 : x
  2. Step 2: Convert to fraction form
    193,438.06/266,956.37 = 108,555.13/x
  3. Step 3: Cross multiply
    193,438.06x = 266,956.37 × 108,555.13
  4. Step 4: Simplify right side
    193,438.06x = 28,979,483,449.68
  5. Step 5: Solve for x
    x = 28,979,483,449.68/193,438.06
  6. Step 6: Final answer
    x = 149,812.73

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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.