Home / 252,014.90-378,195.15-111,874.10

Finding the Fourth Proportional to 252,014.90, 378,195.15 and 111,874.10

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Solution

The fourth proportional to 252,014.90, 378,195.15 and 111,874.10 is: 167,887.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,014.90 : 378,195.15 = 111,874.10 : x
  2. Step 2: Convert to fraction form
    252,014.90/378,195.15 = 111,874.10/x
  3. Step 3: Cross multiply
    252,014.90x = 378,195.15 × 111,874.10
  4. Step 4: Simplify right side
    252,014.90x = 42,310,242,030.62
  5. Step 5: Solve for x
    x = 42,310,242,030.62/252,014.90
  6. Step 6: Final answer
    x = 167,887.86

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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.