Home / 341,742.20-512,516.46-141,815.30

Finding the Fourth Proportional to 341,742.20, 512,516.46 and 141,815.30

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Solution

The fourth proportional to 341,742.20, 512,516.46 and 141,815.30 is: 212,682.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,742.20 : 512,516.46 = 141,815.30 : x
  2. Step 2: Convert to fraction form
    341,742.20/512,516.46 = 141,815.30/x
  3. Step 3: Cross multiply
    341,742.20x = 512,516.46 × 141,815.30
  4. Step 4: Simplify right side
    341,742.20x = 72,682,675,529.84
  5. Step 5: Solve for x
    x = 72,682,675,529.84/341,742.20
  6. Step 6: Final answer
    x = 212,682.76

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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.