Home / 263,875.39-394,878.75-164,082.58

Finding the Fourth Proportional to 263,875.39, 394,878.75 and 164,082.58

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Solution

The fourth proportional to 263,875.39, 394,878.75 and 164,082.58 is: 245,542.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,875.39 : 394,878.75 = 164,082.58 : x
  2. Step 2: Convert to fraction form
    263,875.39/394,878.75 = 164,082.58/x
  3. Step 3: Cross multiply
    263,875.39x = 394,878.75 × 164,082.58
  4. Step 4: Simplify right side
    263,875.39x = 64,792,724,087.18
  5. Step 5: Solve for x
    x = 64,792,724,087.18/263,875.39
  6. Step 6: Final answer
    x = 245,542.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.