Home / 348,540.30-522,799.65-99,222.30

Finding the Fourth Proportional to 348,540.30, 522,799.65 and 99,222.30

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Solution

The fourth proportional to 348,540.30, 522,799.65 and 99,222.30 is: 148,830.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,540.30 : 522,799.65 = 99,222.30 : x
  2. Step 2: Convert to fraction form
    348,540.30/522,799.65 = 99,222.30/x
  3. Step 3: Cross multiply
    348,540.30x = 522,799.65 × 99,222.30
  4. Step 4: Simplify right side
    348,540.30x = 51,873,383,712.20
  5. Step 5: Solve for x
    x = 51,873,383,712.20/348,540.30
  6. Step 6: Final answer
    x = 148,830.38

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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.