Home / 376,530.47-519,615.66-206,768.15

Finding the Fourth Proportional to 376,530.47, 519,615.66 and 206,768.15

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Solution

The fourth proportional to 376,530.47, 519,615.66 and 206,768.15 is: 285,342.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,530.47 : 519,615.66 = 206,768.15 : x
  2. Step 2: Convert to fraction form
    376,530.47/519,615.66 = 206,768.15/x
  3. Step 3: Cross multiply
    376,530.47x = 519,615.66 × 206,768.15
  4. Step 4: Simplify right side
    376,530.47x = 107,439,968,729.23
  5. Step 5: Solve for x
    x = 107,439,968,729.23/376,530.47
  6. Step 6: Final answer
    x = 285,342.03

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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.