Home / 330,892.47-496,502.73-131,208.57

Finding the Fourth Proportional to 330,892.47, 496,502.73 and 131,208.57

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Solution

The fourth proportional to 330,892.47, 496,502.73 and 131,208.57 is: 196,877.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,892.47 : 496,502.73 = 131,208.57 : x
  2. Step 2: Convert to fraction form
    330,892.47/496,502.73 = 131,208.57/x
  3. Step 3: Cross multiply
    330,892.47x = 496,502.73 × 131,208.57
  4. Step 4: Simplify right side
    330,892.47x = 65,145,413,204.40
  5. Step 5: Solve for x
    x = 65,145,413,204.40/330,892.47
  6. Step 6: Final answer
    x = 196,877.90

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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.