Home / 143,790.06-215,782.29-50,296.62

Finding the Fourth Proportional to 143,790.06, 215,782.29 and 50,296.62

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Solution

The fourth proportional to 143,790.06, 215,782.29 and 50,296.62 is: 75,478.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,790.06 : 215,782.29 = 50,296.62 : x
  2. Step 2: Convert to fraction form
    143,790.06/215,782.29 = 50,296.62/x
  3. Step 3: Cross multiply
    143,790.06x = 215,782.29 × 50,296.62
  4. Step 4: Simplify right side
    143,790.06x = 10,853,119,842.86
  5. Step 5: Solve for x
    x = 10,853,119,842.86/143,790.06
  6. Step 6: Final answer
    x = 75,478.93

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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.