Home / 141,722.08-195,576.46-78,059.88

Finding the Fourth Proportional to 141,722.08, 195,576.46 and 78,059.88

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Solution

The fourth proportional to 141,722.08, 195,576.46 and 78,059.88 is: 107,722.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,722.08 : 195,576.46 = 78,059.88 : x
  2. Step 2: Convert to fraction form
    141,722.08/195,576.46 = 78,059.88/x
  3. Step 3: Cross multiply
    141,722.08x = 195,576.46 × 78,059.88
  4. Step 4: Simplify right side
    141,722.08x = 15,266,674,998.42
  5. Step 5: Solve for x
    x = 15,266,674,998.42/141,722.08
  6. Step 6: Final answer
    x = 107,722.63

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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.