Home / 143,201.52-214,785.45-38,028.60

Finding the Fourth Proportional to 143,201.52, 214,785.45 and 38,028.60

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Solution

The fourth proportional to 143,201.52, 214,785.45 and 38,028.60 is: 57,038.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,201.52 : 214,785.45 = 38,028.60 : x
  2. Step 2: Convert to fraction form
    143,201.52/214,785.45 = 38,028.60/x
  3. Step 3: Cross multiply
    143,201.52x = 214,785.45 × 38,028.60
  4. Step 4: Simplify right side
    143,201.52x = 8,167,989,963.87
  5. Step 5: Solve for x
    x = 8,167,989,963.87/143,201.52
  6. Step 6: Final answer
    x = 57,038.43

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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.