Home / 142,576.53-196,722.18-97,348.70

Finding the Fourth Proportional to 142,576.53, 196,722.18 and 97,348.70

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Solution

The fourth proportional to 142,576.53, 196,722.18 and 97,348.70 is: 134,318.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,576.53 : 196,722.18 = 97,348.70 : x
  2. Step 2: Convert to fraction form
    142,576.53/196,722.18 = 97,348.70/x
  3. Step 3: Cross multiply
    142,576.53x = 196,722.18 × 97,348.70
  4. Step 4: Simplify right side
    142,576.53x = 19,150,647,500.56
  5. Step 5: Solve for x
    x = 19,150,647,500.56/142,576.53
  6. Step 6: Final answer
    x = 134,318.37

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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.