Home / 132,876.15-199,280.16-39,360.03

Finding the Fourth Proportional to 132,876.15, 199,280.16 and 39,360.03

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Solution

The fourth proportional to 132,876.15, 199,280.16 and 39,360.03 is: 59,029.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,876.15 : 199,280.16 = 39,360.03 : x
  2. Step 2: Convert to fraction form
    132,876.15/199,280.16 = 39,360.03/x
  3. Step 3: Cross multiply
    132,876.15x = 199,280.16 × 39,360.03
  4. Step 4: Simplify right side
    132,876.15x = 7,843,673,076.00
  5. Step 5: Solve for x
    x = 7,843,673,076.00/132,876.15
  6. Step 6: Final answer
    x = 59,029.95

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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.