Home / 220,782.80-331,314.84-94,423.76

Finding the Fourth Proportional to 220,782.80, 331,314.84 and 94,423.76

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Solution

The fourth proportional to 220,782.80, 331,314.84 and 94,423.76 is: 141,695.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,782.80 : 331,314.84 = 94,423.76 : x
  2. Step 2: Convert to fraction form
    220,782.80/331,314.84 = 94,423.76/x
  3. Step 3: Cross multiply
    220,782.80x = 331,314.84 × 94,423.76
  4. Step 4: Simplify right side
    220,782.80x = 31,283,992,936.60
  5. Step 5: Solve for x
    x = 31,283,992,936.60/220,782.80
  6. Step 6: Final answer
    x = 141,695.79

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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.