Home / 136,731.24-205,076.38-113,506.92

Finding the Fourth Proportional to 136,731.24, 205,076.38 and 113,506.92

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Solution

The fourth proportional to 136,731.24, 205,076.38 and 113,506.92 is: 170,243.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,731.24 : 205,076.38 = 113,506.92 : x
  2. Step 2: Convert to fraction form
    136,731.24/205,076.38 = 113,506.92/x
  3. Step 3: Cross multiply
    136,731.24x = 205,076.38 × 113,506.92
  4. Step 4: Simplify right side
    136,731.24x = 23,277,588,258.55
  5. Step 5: Solve for x
    x = 23,277,588,258.55/136,731.24
  6. Step 6: Final answer
    x = 170,243.38

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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.