Home / 298,665.80-412,154.04-162,701.38

Finding the Fourth Proportional to 298,665.80, 412,154.04 and 162,701.38

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Solution

The fourth proportional to 298,665.80, 412,154.04 and 162,701.38 is: 224,525.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,665.80 : 412,154.04 = 162,701.38 : x
  2. Step 2: Convert to fraction form
    298,665.80/412,154.04 = 162,701.38/x
  3. Step 3: Cross multiply
    298,665.80x = 412,154.04 × 162,701.38
  4. Step 4: Simplify right side
    298,665.80x = 67,058,028,972.34
  5. Step 5: Solve for x
    x = 67,058,028,972.34/298,665.80
  6. Step 6: Final answer
    x = 224,525.30

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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.