Home / 193,110.72-266,509.20-112,544.88

Finding the Fourth Proportional to 193,110.72, 266,509.20 and 112,544.88

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Solution

The fourth proportional to 193,110.72, 266,509.20 and 112,544.88 is: 155,321.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,110.72 : 266,509.20 = 112,544.88 : x
  2. Step 2: Convert to fraction form
    193,110.72/266,509.20 = 112,544.88/x
  3. Step 3: Cross multiply
    193,110.72x = 266,509.20 × 112,544.88
  4. Step 4: Simplify right side
    193,110.72x = 29,994,245,932.90
  5. Step 5: Solve for x
    x = 29,994,245,932.90/193,110.72
  6. Step 6: Final answer
    x = 155,321.50

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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.