Home / 376,435.06-519,252.33-223,372.60

Finding the Fourth Proportional to 376,435.06, 519,252.33 and 223,372.60

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Solution

The fourth proportional to 376,435.06, 519,252.33 and 223,372.60 is: 308,118.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,435.06 : 519,252.33 = 223,372.60 : x
  2. Step 2: Convert to fraction form
    376,435.06/519,252.33 = 223,372.60/x
  3. Step 3: Cross multiply
    376,435.06x = 519,252.33 × 223,372.60
  4. Step 4: Simplify right side
    376,435.06x = 115,986,743,008.16
  5. Step 5: Solve for x
    x = 115,986,743,008.16/376,435.06
  6. Step 6: Final answer
    x = 308,118.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.