Home / 132,106.84-198,157.92-53,219.04

Finding the Fourth Proportional to 132,106.84, 198,157.92 and 53,219.04

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Solution

The fourth proportional to 132,106.84, 198,157.92 and 53,219.04 is: 79,827.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,106.84 : 198,157.92 = 53,219.04 : x
  2. Step 2: Convert to fraction form
    132,106.84/198,157.92 = 53,219.04/x
  3. Step 3: Cross multiply
    132,106.84x = 198,157.92 × 53,219.04
  4. Step 4: Simplify right side
    132,106.84x = 10,545,774,270.80
  5. Step 5: Solve for x
    x = 10,545,774,270.80/132,106.84
  6. Step 6: Final answer
    x = 79,827.62

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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.