Home / 285,844.75-394,466.32-156,784.27

Finding the Fourth Proportional to 285,844.75, 394,466.32 and 156,784.27

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Solution

The fourth proportional to 285,844.75, 394,466.32 and 156,784.27 is: 216,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,844.75 : 394,466.32 = 156,784.27 : x
  2. Step 2: Convert to fraction form
    285,844.75/394,466.32 = 156,784.27/x
  3. Step 3: Cross multiply
    285,844.75x = 394,466.32 × 156,784.27
  4. Step 4: Simplify right side
    285,844.75x = 61,846,113,088.31
  5. Step 5: Solve for x
    x = 61,846,113,088.31/285,844.75
  6. Step 6: Final answer
    x = 216,362.60

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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.