Home / 143,292.27-214,610.61-68,465.01

Finding the Fourth Proportional to 143,292.27, 214,610.61 and 68,465.01

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Solution

The fourth proportional to 143,292.27, 214,610.61 and 68,465.01 is: 102,540.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,292.27 : 214,610.61 = 68,465.01 : x
  2. Step 2: Convert to fraction form
    143,292.27/214,610.61 = 68,465.01/x
  3. Step 3: Cross multiply
    143,292.27x = 214,610.61 × 68,465.01
  4. Step 4: Simplify right side
    143,292.27x = 14,693,317,559.76
  5. Step 5: Solve for x
    x = 14,693,317,559.76/143,292.27
  6. Step 6: Final answer
    x = 102,540.89

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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.