Home / 351,014.78-526,601.43-111,143.23

Finding the Fourth Proportional to 351,014.78, 526,601.43 and 111,143.23

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Solution

The fourth proportional to 351,014.78, 526,601.43 and 111,143.23 is: 166,739.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,014.78 : 526,601.43 = 111,143.23 : x
  2. Step 2: Convert to fraction form
    351,014.78/526,601.43 = 111,143.23/x
  3. Step 3: Cross multiply
    351,014.78x = 526,601.43 × 111,143.23
  4. Step 4: Simplify right side
    351,014.78x = 58,528,182,536.32
  5. Step 5: Solve for x
    x = 58,528,182,536.32/351,014.78
  6. Step 6: Final answer
    x = 166,739.94

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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.