Home / 348,557.20-522,731.10-123,888.10

Finding the Fourth Proportional to 348,557.20, 522,731.10 and 123,888.10

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Solution

The fourth proportional to 348,557.20, 522,731.10 and 123,888.10 is: 185,794.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,557.20 : 522,731.10 = 123,888.10 : x
  2. Step 2: Convert to fraction form
    348,557.20/522,731.10 = 123,888.10/x
  3. Step 3: Cross multiply
    348,557.20x = 522,731.10 × 123,888.10
  4. Step 4: Simplify right side
    348,557.20x = 64,760,162,789.91
  5. Step 5: Solve for x
    x = 64,760,162,789.91/348,557.20
  6. Step 6: Final answer
    x = 185,794.94

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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.