Home / 320,716.83-442,589.40-175,522.53

Finding the Fourth Proportional to 320,716.83, 442,589.40 and 175,522.53

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Solution

The fourth proportional to 320,716.83, 442,589.40 and 175,522.53 is: 242,221.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,716.83 : 442,589.40 = 175,522.53 : x
  2. Step 2: Convert to fraction form
    320,716.83/442,589.40 = 175,522.53/x
  3. Step 3: Cross multiply
    320,716.83x = 442,589.40 × 175,522.53
  4. Step 4: Simplify right side
    320,716.83x = 77,684,409,693.90
  5. Step 5: Solve for x
    x = 77,684,409,693.90/320,716.83
  6. Step 6: Final answer
    x = 242,221.18

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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.