Home / 347,425.44-521,005.32-189,569.52

Finding the Fourth Proportional to 347,425.44, 521,005.32 and 189,569.52

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Solution

The fourth proportional to 347,425.44, 521,005.32 and 189,569.52 is: 284,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,425.44 : 521,005.32 = 189,569.52 : x
  2. Step 2: Convert to fraction form
    347,425.44/521,005.32 = 189,569.52/x
  3. Step 3: Cross multiply
    347,425.44x = 521,005.32 × 189,569.52
  4. Step 4: Simplify right side
    347,425.44x = 98,766,728,429.85
  5. Step 5: Solve for x
    x = 98,766,728,429.85/347,425.44
  6. Step 6: Final answer
    x = 284,281.80

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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.