Home / 109,180.71-163,771.07-30,294.96

Finding the Fourth Proportional to 109,180.71, 163,771.07 and 30,294.96

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Solution

The fourth proportional to 109,180.71, 163,771.07 and 30,294.96 is: 45,442.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,180.71 : 163,771.07 = 30,294.96 : x
  2. Step 2: Convert to fraction form
    109,180.71/163,771.07 = 30,294.96/x
  3. Step 3: Cross multiply
    109,180.71x = 163,771.07 × 30,294.96
  4. Step 4: Simplify right side
    109,180.71x = 4,961,438,170.40
  5. Step 5: Solve for x
    x = 4,961,438,170.40/109,180.71
  6. Step 6: Final answer
    x = 45,442.44

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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.