Home / 189,166.41-283,755.56-70,815.15

Finding the Fourth Proportional to 189,166.41, 283,755.56 and 70,815.15

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Solution

The fourth proportional to 189,166.41, 283,755.56 and 70,815.15 is: 106,224.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,166.41 : 283,755.56 = 70,815.15 : x
  2. Step 2: Convert to fraction form
    189,166.41/283,755.56 = 70,815.15/x
  3. Step 3: Cross multiply
    189,166.41x = 283,755.56 × 70,815.15
  4. Step 4: Simplify right side
    189,166.41x = 20,094,192,190.66
  5. Step 5: Solve for x
    x = 20,094,192,190.66/189,166.41
  6. Step 6: Final answer
    x = 106,224.95

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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.