Home / 132,209.37-198,392.85-47,976.10

Finding the Fourth Proportional to 132,209.37, 198,392.85 and 47,976.10

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Solution

The fourth proportional to 132,209.37, 198,392.85 and 47,976.10 is: 71,992.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,209.37 : 198,392.85 = 47,976.10 : x
  2. Step 2: Convert to fraction form
    132,209.37/198,392.85 = 47,976.10/x
  3. Step 3: Cross multiply
    132,209.37x = 198,392.85 × 47,976.10
  4. Step 4: Simplify right side
    132,209.37x = 9,518,114,971.00
  5. Step 5: Solve for x
    x = 9,518,114,971.00/132,209.37
  6. Step 6: Final answer
    x = 71,992.74

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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.