Home / 193,135.50-289,365.44-134,008.74

Finding the Fourth Proportional to 193,135.50, 289,365.44 and 134,008.74

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Solution

The fourth proportional to 193,135.50, 289,365.44 and 134,008.74 is: 200,778.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,135.50 : 289,365.44 = 134,008.74 : x
  2. Step 2: Convert to fraction form
    193,135.50/289,365.44 = 134,008.74/x
  3. Step 3: Cross multiply
    193,135.50x = 289,365.44 × 134,008.74
  4. Step 4: Simplify right side
    193,135.50x = 38,777,497,343.90
  5. Step 5: Solve for x
    x = 38,777,497,343.90/193,135.50
  6. Step 6: Final answer
    x = 200,778.71

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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.