Home / 193,157.42-289,677.18-133,568.96

Finding the Fourth Proportional to 193,157.42, 289,677.18 and 133,568.96

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Solution

The fourth proportional to 193,157.42, 289,677.18 and 133,568.96 is: 200,312.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,157.42 : 289,677.18 = 133,568.96 : x
  2. Step 2: Convert to fraction form
    193,157.42/289,677.18 = 133,568.96/x
  3. Step 3: Cross multiply
    193,157.42x = 289,677.18 × 133,568.96
  4. Step 4: Simplify right side
    193,157.42x = 38,691,879,668.33
  5. Step 5: Solve for x
    x = 38,691,879,668.33/193,157.42
  6. Step 6: Final answer
    x = 200,312.68

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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.