Home / 131,872.38-197,833.23-43,130.71

Finding the Fourth Proportional to 131,872.38, 197,833.23 and 43,130.71

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Solution

The fourth proportional to 131,872.38, 197,833.23 and 43,130.71 is: 64,704.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,872.38 : 197,833.23 = 43,130.71 : x
  2. Step 2: Convert to fraction form
    131,872.38/197,833.23 = 43,130.71/x
  3. Step 3: Cross multiply
    131,872.38x = 197,833.23 × 43,130.71
  4. Step 4: Simplify right side
    131,872.38x = 8,532,686,466.67
  5. Step 5: Solve for x
    x = 8,532,686,466.67/131,872.38
  6. Step 6: Final answer
    x = 64,704.12

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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.