Home / 285,844.62-394,466.14-156,784.15

Finding the Fourth Proportional to 285,844.62, 394,466.14 and 156,784.15

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Solution

The fourth proportional to 285,844.62, 394,466.14 and 156,784.15 is: 216,362.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,844.62 : 394,466.14 = 156,784.15 : x
  2. Step 2: Convert to fraction form
    285,844.62/394,466.14 = 156,784.15/x
  3. Step 3: Cross multiply
    285,844.62x = 394,466.14 × 156,784.15
  4. Step 4: Simplify right side
    285,844.62x = 61,846,038,463.68
  5. Step 5: Solve for x
    x = 61,846,038,463.68/285,844.62
  6. Step 6: Final answer
    x = 216,362.44

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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.