Home / 385,231.93-531,591.20-215,433.25

Finding the Fourth Proportional to 385,231.93, 531,591.20 and 215,433.25

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Solution

The fourth proportional to 385,231.93, 531,591.20 and 215,433.25 is: 297,281.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,231.93 : 531,591.20 = 215,433.25 : x
  2. Step 2: Convert to fraction form
    385,231.93/531,591.20 = 215,433.25/x
  3. Step 3: Cross multiply
    385,231.93x = 531,591.20 × 215,433.25
  4. Step 4: Simplify right side
    385,231.93x = 114,522,418,810.23
  5. Step 5: Solve for x
    x = 114,522,418,810.23/385,231.93
  6. Step 6: Final answer
    x = 297,281.74

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