Home / 193,255.12-289,966.14-104,571.12

Finding the Fourth Proportional to 193,255.12, 289,966.14 and 104,571.12

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Solution

The fourth proportional to 193,255.12, 289,966.14 and 104,571.12 is: 156,901.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,255.12 : 289,966.14 = 104,571.12 : x
  2. Step 2: Convert to fraction form
    193,255.12/289,966.14 = 104,571.12/x
  3. Step 3: Cross multiply
    193,255.12x = 289,966.14 × 104,571.12
  4. Step 4: Simplify right side
    193,255.12x = 30,322,084,021.88
  5. Step 5: Solve for x
    x = 30,322,084,021.88/193,255.12
  6. Step 6: Final answer
    x = 156,901.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.