Home / 193,190.62-289,581.40-64,984.85

Finding the Fourth Proportional to 193,190.62, 289,581.40 and 64,984.85

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Solution

The fourth proportional to 193,190.62, 289,581.40 and 64,984.85 is: 97,408.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,190.62 : 289,581.40 = 64,984.85 : x
  2. Step 2: Convert to fraction form
    193,190.62/289,581.40 = 64,984.85/x
  3. Step 3: Cross multiply
    193,190.62x = 289,581.40 × 64,984.85
  4. Step 4: Simplify right side
    193,190.62x = 18,818,403,516.87
  5. Step 5: Solve for x
    x = 18,818,403,516.87/193,190.62
  6. Step 6: Final answer
    x = 97,408.48

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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.