Home / 346,115.20-519,086.40-132,836.80

Finding the Fourth Proportional to 346,115.20, 519,086.40 and 132,836.80

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Solution

The fourth proportional to 346,115.20, 519,086.40 and 132,836.80 is: 199,222.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,115.20 : 519,086.40 = 132,836.80 : x
  2. Step 2: Convert to fraction form
    346,115.20/519,086.40 = 132,836.80/x
  3. Step 3: Cross multiply
    346,115.20x = 519,086.40 × 132,836.80
  4. Step 4: Simplify right side
    346,115.20x = 68,953,776,299.52
  5. Step 5: Solve for x
    x = 68,953,776,299.52/346,115.20
  6. Step 6: Final answer
    x = 199,222.04

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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.