Home / 143,332.80-214,999.20-36,716.55

Finding the Fourth Proportional to 143,332.80, 214,999.20 and 36,716.55

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Solution

The fourth proportional to 143,332.80, 214,999.20 and 36,716.55 is: 55,074.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,332.80 : 214,999.20 = 36,716.55 : x
  2. Step 2: Convert to fraction form
    143,332.80/214,999.20 = 36,716.55/x
  3. Step 3: Cross multiply
    143,332.80x = 214,999.20 × 36,716.55
  4. Step 4: Simplify right side
    143,332.80x = 7,894,028,876.76
  5. Step 5: Solve for x
    x = 7,894,028,876.76/143,332.80
  6. Step 6: Final answer
    x = 55,074.83

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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.