Home / 132,949.10-199,365.26-49,784.78

Finding the Fourth Proportional to 132,949.10, 199,365.26 and 49,784.78

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Solution

The fourth proportional to 132,949.10, 199,365.26 and 49,784.78 is: 74,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,949.10 : 199,365.26 = 49,784.78 : x
  2. Step 2: Convert to fraction form
    132,949.10/199,365.26 = 49,784.78/x
  3. Step 3: Cross multiply
    132,949.10x = 199,365.26 × 49,784.78
  4. Step 4: Simplify right side
    132,949.10x = 9,925,355,608.74
  5. Step 5: Solve for x
    x = 9,925,355,608.74/132,949.10
  6. Step 6: Final answer
    x = 74,655.30

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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.