Home / 189,363.32-261,416.08-117,766.41

Finding the Fourth Proportional to 189,363.32, 261,416.08 and 117,766.41

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Solution

The fourth proportional to 189,363.32, 261,416.08 and 117,766.41 is: 162,576.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,363.32 : 261,416.08 = 117,766.41 : x
  2. Step 2: Convert to fraction form
    189,363.32/261,416.08 = 117,766.41/x
  3. Step 3: Cross multiply
    189,363.32x = 261,416.08 × 117,766.41
  4. Step 4: Simplify right side
    189,363.32x = 30,786,033,257.87
  5. Step 5: Solve for x
    x = 30,786,033,257.87/189,363.32
  6. Step 6: Final answer
    x = 162,576.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.