Home / 347,716.20-521,574.30-148,043.10

Finding the Fourth Proportional to 347,716.20, 521,574.30 and 148,043.10

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Solution

The fourth proportional to 347,716.20, 521,574.30 and 148,043.10 is: 222,064.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,716.20 : 521,574.30 = 148,043.10 : x
  2. Step 2: Convert to fraction form
    347,716.20/521,574.30 = 148,043.10/x
  3. Step 3: Cross multiply
    347,716.20x = 521,574.30 × 148,043.10
  4. Step 4: Simplify right side
    347,716.20x = 77,215,476,252.33
  5. Step 5: Solve for x
    x = 77,215,476,252.33/347,716.20
  6. Step 6: Final answer
    x = 222,064.65

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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.