Home / 189,363.27-261,416-117,766.35

Finding the Fourth Proportional to 189,363.27, 261,416 and 117,766.35

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Solution

The fourth proportional to 189,363.27, 261,416 and 117,766.35 is: 162,576.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,363.27 : 261,416 = 117,766.35 : x
  2. Step 2: Convert to fraction form
    189,363.27/261,416 = 117,766.35/x
  3. Step 3: Cross multiply
    189,363.27x = 261,416 × 117,766.35
  4. Step 4: Simplify right side
    189,363.27x = 30,786,008,805.14
  5. Step 5: Solve for x
    x = 30,786,008,805.14/189,363.27
  6. Step 6: Final answer
    x = 162,576.46

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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.