Home / 193,027.76-289,580.27-66,672.62

Finding the Fourth Proportional to 193,027.76, 289,580.27 and 66,672.62

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Solution

The fourth proportional to 193,027.76, 289,580.27 and 66,672.62 is: 100,022.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,027.76 : 289,580.27 = 66,672.62 : x
  2. Step 2: Convert to fraction form
    193,027.76/289,580.27 = 66,672.62/x
  3. Step 3: Cross multiply
    193,027.76x = 289,580.27 × 66,672.62
  4. Step 4: Simplify right side
    193,027.76x = 19,307,074,605.87
  5. Step 5: Solve for x
    x = 19,307,074,605.87/193,027.76
  6. Step 6: Final answer
    x = 100,022.27

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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.