Home / 143,967.12-215,954.52-50,478.48

Finding the Fourth Proportional to 143,967.12, 215,954.52 and 50,478.48

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Solution

The fourth proportional to 143,967.12, 215,954.52 and 50,478.48 is: 75,719.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,967.12 : 215,954.52 = 50,478.48 : x
  2. Step 2: Convert to fraction form
    143,967.12/215,954.52 = 50,478.48/x
  3. Step 3: Cross multiply
    143,967.12x = 215,954.52 × 50,478.48
  4. Step 4: Simplify right side
    143,967.12x = 10,901,055,918.73
  5. Step 5: Solve for x
    x = 10,901,055,918.73/143,967.12
  6. Step 6: Final answer
    x = 75,719.07

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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.