Home / 193,014.96-289,423.68-80,664.54

Finding the Fourth Proportional to 193,014.96, 289,423.68 and 80,664.54

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Solution

The fourth proportional to 193,014.96, 289,423.68 and 80,664.54 is: 120,955.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,014.96 : 289,423.68 = 80,664.54 : x
  2. Step 2: Convert to fraction form
    193,014.96/289,423.68 = 80,664.54/x
  3. Step 3: Cross multiply
    193,014.96x = 289,423.68 × 80,664.54
  4. Step 4: Simplify right side
    193,014.96x = 23,346,228,012.31
  5. Step 5: Solve for x
    x = 23,346,228,012.31/193,014.96
  6. Step 6: Final answer
    x = 120,955.54

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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.