Home / 189,234.92-283,852.40-89,405.17

Finding the Fourth Proportional to 189,234.92, 283,852.40 and 89,405.17

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Solution

The fourth proportional to 189,234.92, 283,852.40 and 89,405.17 is: 134,107.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,234.92 : 283,852.40 = 89,405.17 : x
  2. Step 2: Convert to fraction form
    189,234.92/283,852.40 = 89,405.17/x
  3. Step 3: Cross multiply
    189,234.92x = 283,852.40 × 89,405.17
  4. Step 4: Simplify right side
    189,234.92x = 25,377,870,920.25
  5. Step 5: Solve for x
    x = 25,377,870,920.25/189,234.92
  6. Step 6: Final answer
    x = 134,107.76

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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.