Home / 285,393.06-393,845.32-172,193.94

Finding the Fourth Proportional to 285,393.06, 393,845.32 and 172,193.94

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Solution

The fourth proportional to 285,393.06, 393,845.32 and 172,193.94 is: 237,629.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,393.06 : 393,845.32 = 172,193.94 : x
  2. Step 2: Convert to fraction form
    285,393.06/393,845.32 = 172,193.94/x
  3. Step 3: Cross multiply
    285,393.06x = 393,845.32 × 172,193.94
  4. Step 4: Simplify right side
    285,393.06x = 67,817,777,401.36
  5. Step 5: Solve for x
    x = 67,817,777,401.36/285,393.06
  6. Step 6: Final answer
    x = 237,629.39

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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.