Home / 156,106.25-233,029.81-137,189.73

Finding the Fourth Proportional to 156,106.25, 233,029.81 and 137,189.73

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Solution

The fourth proportional to 156,106.25, 233,029.81 and 137,189.73 is: 204,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,106.25 : 233,029.81 = 137,189.73 : x
  2. Step 2: Convert to fraction form
    156,106.25/233,029.81 = 137,189.73/x
  3. Step 3: Cross multiply
    156,106.25x = 233,029.81 × 137,189.73
  4. Step 4: Simplify right side
    156,106.25x = 31,969,295,795.01
  5. Step 5: Solve for x
    x = 31,969,295,795.01/156,106.25
  6. Step 6: Final answer
    x = 204,791.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.