Home / 320,716.86-442,589.44-175,522.56

Finding the Fourth Proportional to 320,716.86, 442,589.44 and 175,522.56

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Solution

The fourth proportional to 320,716.86, 442,589.44 and 175,522.56 is: 242,221.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,716.86 : 442,589.44 = 175,522.56 : x
  2. Step 2: Convert to fraction form
    320,716.86/442,589.44 = 175,522.56/x
  3. Step 3: Cross multiply
    320,716.86x = 442,589.44 × 175,522.56
  4. Step 4: Simplify right side
    320,716.86x = 77,684,431,013.14
  5. Step 5: Solve for x
    x = 77,684,431,013.14/320,716.86
  6. Step 6: Final answer
    x = 242,221.22

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1.5x scale

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.