Home / 132,208.61-198,391.72-47,975.35

Finding the Fourth Proportional to 132,208.61, 198,391.72 and 47,975.35

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Solution

The fourth proportional to 132,208.61, 198,391.72 and 47,975.35 is: 71,991.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,208.61 : 198,391.72 = 47,975.35 : x
  2. Step 2: Convert to fraction form
    132,208.61/198,391.72 = 47,975.35/x
  3. Step 3: Cross multiply
    132,208.61x = 198,391.72 × 47,975.35
  4. Step 4: Simplify right side
    132,208.61x = 9,517,911,671.87
  5. Step 5: Solve for x
    x = 9,517,911,671.87/132,208.61
  6. Step 6: Final answer
    x = 71,991.62

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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.