Home / 328,039.24-491,985.03-117,677.18

Finding the Fourth Proportional to 328,039.24, 491,985.03 and 117,677.18

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Solution

The fourth proportional to 328,039.24, 491,985.03 and 117,677.18 is: 176,489.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,039.24 : 491,985.03 = 117,677.18 : x
  2. Step 2: Convert to fraction form
    328,039.24/491,985.03 = 117,677.18/x
  3. Step 3: Cross multiply
    328,039.24x = 491,985.03 × 117,677.18
  4. Step 4: Simplify right side
    328,039.24x = 57,895,410,932.62
  5. Step 5: Solve for x
    x = 57,895,410,932.62/328,039.24
  6. Step 6: Final answer
    x = 176,489.29

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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.