Home / 139,044.60-208,442.16-50,277.24

Finding the Fourth Proportional to 139,044.60, 208,442.16 and 50,277.24

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Solution

The fourth proportional to 139,044.60, 208,442.16 and 50,277.24 is: 75,370.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,044.60 : 208,442.16 = 50,277.24 : x
  2. Step 2: Convert to fraction form
    139,044.60/208,442.16 = 50,277.24/x
  3. Step 3: Cross multiply
    139,044.60x = 208,442.16 × 50,277.24
  4. Step 4: Simplify right side
    139,044.60x = 10,479,896,504.44
  5. Step 5: Solve for x
    x = 10,479,896,504.44/139,044.60
  6. Step 6: Final answer
    x = 75,370.76

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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.