Home / 293,091.90-439,408.17-115,731.67

Finding the Fourth Proportional to 293,091.90, 439,408.17 and 115,731.67

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Solution

The fourth proportional to 293,091.90, 439,408.17 and 115,731.67 is: 173,506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,091.90 : 439,408.17 = 115,731.67 : x
  2. Step 2: Convert to fraction form
    293,091.90/439,408.17 = 115,731.67/x
  3. Step 3: Cross multiply
    293,091.90x = 439,408.17 × 115,731.67
  4. Step 4: Simplify right side
    293,091.90x = 50,853,439,128.70
  5. Step 5: Solve for x
    x = 50,853,439,128.70/293,091.90
  6. Step 6: Final answer
    x = 173,506.81

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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.