Home / 348,121.76-521,296.43-229,433.27

Finding the Fourth Proportional to 348,121.76, 521,296.43 and 229,433.27

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Solution

The fourth proportional to 348,121.76, 521,296.43 and 229,433.27 is: 343,565.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,121.76 : 521,296.43 = 229,433.27 : x
  2. Step 2: Convert to fraction form
    348,121.76/521,296.43 = 229,433.27/x
  3. Step 3: Cross multiply
    348,121.76x = 521,296.43 × 229,433.27
  4. Step 4: Simplify right side
    348,121.76x = 119,602,740,820.58
  5. Step 5: Solve for x
    x = 119,602,740,820.58/348,121.76
  6. Step 6: Final answer
    x = 343,565.83

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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.