Home / 351,021.04-526,610.79-111,149.50

Finding the Fourth Proportional to 351,021.04, 526,610.79 and 111,149.50

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Solution

The fourth proportional to 351,021.04, 526,610.79 and 111,149.50 is: 166,749.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,021.04 : 526,610.79 = 111,149.50 : x
  2. Step 2: Convert to fraction form
    351,021.04/526,610.79 = 111,149.50/x
  3. Step 3: Cross multiply
    351,021.04x = 526,610.79 × 111,149.50
  4. Step 4: Simplify right side
    351,021.04x = 58,532,526,003.11
  5. Step 5: Solve for x
    x = 58,532,526,003.11/351,021.04
  6. Step 6: Final answer
    x = 166,749.34

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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.