Home / 162,351.30-243,198.90-92,148.60

Finding the Fourth Proportional to 162,351.30, 243,198.90 and 92,148.60

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Solution

The fourth proportional to 162,351.30, 243,198.90 and 92,148.60 is: 138,036.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,351.30 : 243,198.90 = 92,148.60 : x
  2. Step 2: Convert to fraction form
    162,351.30/243,198.90 = 92,148.60/x
  3. Step 3: Cross multiply
    162,351.30x = 243,198.90 × 92,148.60
  4. Step 4: Simplify right side
    162,351.30x = 22,410,438,156.54
  5. Step 5: Solve for x
    x = 22,410,438,156.54/162,351.30
  6. Step 6: Final answer
    x = 138,036.70

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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.