Home / 132,837.40-199,256.10-49,720.60

Finding the Fourth Proportional to 132,837.40, 199,256.10 and 49,720.60

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Solution

The fourth proportional to 132,837.40, 199,256.10 and 49,720.60 is: 74,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,837.40 : 199,256.10 = 49,720.60 : x
  2. Step 2: Convert to fraction form
    132,837.40/199,256.10 = 49,720.60/x
  3. Step 3: Cross multiply
    132,837.40x = 199,256.10 × 49,720.60
  4. Step 4: Simplify right side
    132,837.40x = 9,907,132,845.66
  5. Step 5: Solve for x
    x = 9,907,132,845.66/132,837.40
  6. Step 6: Final answer
    x = 74,580.90

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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.