Home / 263,325.40-394,988.10-161,848.60

Finding the Fourth Proportional to 263,325.40, 394,988.10 and 161,848.60

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Solution

The fourth proportional to 263,325.40, 394,988.10 and 161,848.60 is: 242,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,325.40 : 394,988.10 = 161,848.60 : x
  2. Step 2: Convert to fraction form
    263,325.40/394,988.10 = 161,848.60/x
  3. Step 3: Cross multiply
    263,325.40x = 394,988.10 × 161,848.60
  4. Step 4: Simplify right side
    263,325.40x = 63,928,271,001.66
  5. Step 5: Solve for x
    x = 63,928,271,001.66/263,325.40
  6. Step 6: Final answer
    x = 242,772.90

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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.