Home / 132,161.04-198,438.39-53,429.04

Finding the Fourth Proportional to 132,161.04, 198,438.39 and 53,429.04

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Solution

The fourth proportional to 132,161.04, 198,438.39 and 53,429.04 is: 80,223.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,161.04 : 198,438.39 = 53,429.04 : x
  2. Step 2: Convert to fraction form
    132,161.04/198,438.39 = 53,429.04/x
  3. Step 3: Cross multiply
    132,161.04x = 198,438.39 × 53,429.04
  4. Step 4: Simplify right side
    132,161.04x = 10,602,372,676.85
  5. Step 5: Solve for x
    x = 10,602,372,676.85/132,161.04
  6. Step 6: Final answer
    x = 80,223.13

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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.