Home / 132,089.86-198,141.27-53,193.43

Finding the Fourth Proportional to 132,089.86, 198,141.27 and 53,193.43

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Solution

The fourth proportional to 132,089.86, 198,141.27 and 53,193.43 is: 79,792.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,089.86 : 198,141.27 = 53,193.43 : x
  2. Step 2: Convert to fraction form
    132,089.86/198,141.27 = 53,193.43/x
  3. Step 3: Cross multiply
    132,089.86x = 198,141.27 × 53,193.43
  4. Step 4: Simplify right side
    132,089.86x = 10,539,813,775.86
  5. Step 5: Solve for x
    x = 10,539,813,775.86/132,089.86
  6. Step 6: Final answer
    x = 79,792.75

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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.