Home / 143,198.16-214,780.77-38,025.60

Finding the Fourth Proportional to 143,198.16, 214,780.77 and 38,025.60

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Solution

The fourth proportional to 143,198.16, 214,780.77 and 38,025.60 is: 57,034.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,198.16 : 214,780.77 = 38,025.60 : x
  2. Step 2: Convert to fraction form
    143,198.16/214,780.77 = 38,025.60/x
  3. Step 3: Cross multiply
    143,198.16x = 214,780.77 × 38,025.60
  4. Step 4: Simplify right side
    143,198.16x = 8,167,167,647.71
  5. Step 5: Solve for x
    x = 8,167,167,647.71/143,198.16
  6. Step 6: Final answer
    x = 57,034.03

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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.