Home / 328,625.02-492,937.62-92,002.56

Finding the Fourth Proportional to 328,625.02, 492,937.62 and 92,002.56

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Solution

The fourth proportional to 328,625.02, 492,937.62 and 92,002.56 is: 138,003.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,625.02 : 492,937.62 = 92,002.56 : x
  2. Step 2: Convert to fraction form
    328,625.02/492,937.62 = 92,002.56/x
  3. Step 3: Cross multiply
    328,625.02x = 492,937.62 × 92,002.56
  4. Step 4: Simplify right side
    328,625.02x = 45,351,522,960.31
  5. Step 5: Solve for x
    x = 45,351,522,960.31/328,625.02
  6. Step 6: Final answer
    x = 138,003.87

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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.