Home / 193,016.72-266,349.63-106,974.86

Finding the Fourth Proportional to 193,016.72, 266,349.63 and 106,974.86

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Solution

The fourth proportional to 193,016.72, 266,349.63 and 106,974.86 is: 147,617.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,016.72 : 266,349.63 = 106,974.86 : x
  2. Step 2: Convert to fraction form
    193,016.72/266,349.63 = 106,974.86/x
  3. Step 3: Cross multiply
    193,016.72x = 266,349.63 × 106,974.86
  4. Step 4: Simplify right side
    193,016.72x = 28,492,714,380.30
  5. Step 5: Solve for x
    x = 28,492,714,380.30/193,016.72
  6. Step 6: Final answer
    x = 147,617.86

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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.