Home / 285,976.98-394,666.93-165,123.36

Finding the Fourth Proportional to 285,976.98, 394,666.93 and 165,123.36

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Solution

The fourth proportional to 285,976.98, 394,666.93 and 165,123.36 is: 227,881.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,976.98 : 394,666.93 = 165,123.36 : x
  2. Step 2: Convert to fraction form
    285,976.98/394,666.93 = 165,123.36/x
  3. Step 3: Cross multiply
    285,976.98x = 394,666.93 × 165,123.36
  4. Step 4: Simplify right side
    285,976.98x = 65,168,729,768.89
  5. Step 5: Solve for x
    x = 65,168,729,768.89/285,976.98
  6. Step 6: Final answer
    x = 227,881.03

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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.