Home / 117,439.75-176,181.49-53,402.47

Finding the Fourth Proportional to 117,439.75, 176,181.49 and 53,402.47

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Solution

The fourth proportional to 117,439.75, 176,181.49 and 53,402.47 is: 80,113.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,439.75 : 176,181.49 = 53,402.47 : x
  2. Step 2: Convert to fraction form
    117,439.75/176,181.49 = 53,402.47/x
  3. Step 3: Cross multiply
    117,439.75x = 176,181.49 × 53,402.47
  4. Step 4: Simplify right side
    117,439.75x = 9,408,526,734.28
  5. Step 5: Solve for x
    x = 9,408,526,734.28/117,439.75
  6. Step 6: Final answer
    x = 80,113.65

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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.