Home / 180,625.40-270,938.10-109,766.60

Finding the Fourth Proportional to 180,625.40, 270,938.10 and 109,766.60

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Solution

The fourth proportional to 180,625.40, 270,938.10 and 109,766.60 is: 164,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,625.40 : 270,938.10 = 109,766.60 : x
  2. Step 2: Convert to fraction form
    180,625.40/270,938.10 = 109,766.60/x
  3. Step 3: Cross multiply
    180,625.40x = 270,938.10 × 109,766.60
  4. Step 4: Simplify right side
    180,625.40x = 29,739,954,047.46
  5. Step 5: Solve for x
    x = 29,739,954,047.46/180,625.40
  6. Step 6: Final answer
    x = 164,649.90

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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.