Home / 132,133.68-198,132.48-53,226.72

Finding the Fourth Proportional to 132,133.68, 198,132.48 and 53,226.72

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Solution

The fourth proportional to 132,133.68, 198,132.48 and 53,226.72 is: 79,812.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,133.68 : 198,132.48 = 53,226.72 : x
  2. Step 2: Convert to fraction form
    132,133.68/198,132.48 = 53,226.72/x
  3. Step 3: Cross multiply
    132,133.68x = 198,132.48 × 53,226.72
  4. Step 4: Simplify right side
    132,133.68x = 10,545,942,035.87
  5. Step 5: Solve for x
    x = 10,545,942,035.87/132,133.68
  6. Step 6: Final answer
    x = 79,812.67

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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.