Home / 132,211.84-198,393.36-131,142.64

Finding the Fourth Proportional to 132,211.84, 198,393.36 and 131,142.64

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Solution

The fourth proportional to 132,211.84, 198,393.36 and 131,142.64 is: 196,788.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,211.84 : 198,393.36 = 131,142.64 : x
  2. Step 2: Convert to fraction form
    132,211.84/198,393.36 = 131,142.64/x
  3. Step 3: Cross multiply
    132,211.84x = 198,393.36 × 131,142.64
  4. Step 4: Simplify right side
    132,211.84x = 26,017,828,988.87
  5. Step 5: Solve for x
    x = 26,017,828,988.87/132,211.84
  6. Step 6: Final answer
    x = 196,788.95

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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.