Home / 141,939.68-195,874.23-77,409.41

Finding the Fourth Proportional to 141,939.68, 195,874.23 and 77,409.41

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Solution

The fourth proportional to 141,939.68, 195,874.23 and 77,409.41 is: 106,823.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,939.68 : 195,874.23 = 77,409.41 : x
  2. Step 2: Convert to fraction form
    141,939.68/195,874.23 = 77,409.41/x
  3. Step 3: Cross multiply
    141,939.68x = 195,874.23 × 77,409.41
  4. Step 4: Simplify right side
    141,939.68x = 15,162,507,889.42
  5. Step 5: Solve for x
    x = 15,162,507,889.42/141,939.68
  6. Step 6: Final answer
    x = 106,823.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.