Home / 130,490.55-195,732.97-41,743.78

Finding the Fourth Proportional to 130,490.55, 195,732.97 and 41,743.78

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Solution

The fourth proportional to 130,490.55, 195,732.97 and 41,743.78 is: 62,614.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,490.55 : 195,732.97 = 41,743.78 : x
  2. Step 2: Convert to fraction form
    130,490.55/195,732.97 = 41,743.78/x
  3. Step 3: Cross multiply
    130,490.55x = 195,732.97 × 41,743.78
  4. Step 4: Simplify right side
    130,490.55x = 8,170,634,038.43
  5. Step 5: Solve for x
    x = 8,170,634,038.43/130,490.55
  6. Step 6: Final answer
    x = 62,614.76

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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.