Home / 393,995.03-591,132.18-194,455.49

Finding the Fourth Proportional to 393,995.03, 591,132.18 and 194,455.49

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Solution

The fourth proportional to 393,995.03, 591,132.18 and 194,455.49 is: 291,752.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,995.03 : 591,132.18 = 194,455.49 : x
  2. Step 2: Convert to fraction form
    393,995.03/591,132.18 = 194,455.49/x
  3. Step 3: Cross multiply
    393,995.03x = 591,132.18 × 194,455.49
  4. Step 4: Simplify right side
    393,995.03x = 114,948,897,716.67
  5. Step 5: Solve for x
    x = 114,948,897,716.67/393,995.03
  6. Step 6: Final answer
    x = 291,752.15

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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.