Home / 189,741.69-283,952.31-117,660.91

Finding the Fourth Proportional to 189,741.69, 283,952.31 and 117,660.91

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Solution

The fourth proportional to 189,741.69, 283,952.31 and 117,660.91 is: 176,081.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,741.69 : 283,952.31 = 117,660.91 : x
  2. Step 2: Convert to fraction form
    189,741.69/283,952.31 = 117,660.91/x
  3. Step 3: Cross multiply
    189,741.69x = 283,952.31 × 117,660.91
  4. Step 4: Simplify right side
    189,741.69x = 33,410,087,191.20
  5. Step 5: Solve for x
    x = 33,410,087,191.20/189,741.69
  6. Step 6: Final answer
    x = 176,081.95

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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.