Home / 132,719.40-199,079.10-49,602.60

Finding the Fourth Proportional to 132,719.40, 199,079.10 and 49,602.60

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Solution

The fourth proportional to 132,719.40, 199,079.10 and 49,602.60 is: 74,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,719.40 : 199,079.10 = 49,602.60 : x
  2. Step 2: Convert to fraction form
    132,719.40/199,079.10 = 49,602.60/x
  3. Step 3: Cross multiply
    132,719.40x = 199,079.10 × 49,602.60
  4. Step 4: Simplify right side
    132,719.40x = 9,874,840,965.66
  5. Step 5: Solve for x
    x = 9,874,840,965.66/132,719.40
  6. Step 6: Final answer
    x = 74,403.90

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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.