Home / 162,198.14-243,297.11-118,105.38

Finding the Fourth Proportional to 162,198.14, 243,297.11 and 118,105.38

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Solution

The fourth proportional to 162,198.14, 243,297.11 and 118,105.38 is: 177,158.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,198.14 : 243,297.11 = 118,105.38 : x
  2. Step 2: Convert to fraction form
    162,198.14/243,297.11 = 118,105.38/x
  3. Step 3: Cross multiply
    162,198.14x = 243,297.11 × 118,105.38
  4. Step 4: Simplify right side
    162,198.14x = 28,734,697,647.17
  5. Step 5: Solve for x
    x = 28,734,697,647.17/162,198.14
  6. Step 6: Final answer
    x = 177,158.00

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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.