Home / 117,556.40-176,334.60-115,806.80

Finding the Fourth Proportional to 117,556.40, 176,334.60 and 115,806.80

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Solution

The fourth proportional to 117,556.40, 176,334.60 and 115,806.80 is: 173,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,556.40 : 176,334.60 = 115,806.80 : x
  2. Step 2: Convert to fraction form
    117,556.40/176,334.60 = 115,806.80/x
  3. Step 3: Cross multiply
    117,556.40x = 176,334.60 × 115,806.80
  4. Step 4: Simplify right side
    117,556.40x = 20,420,745,755.28
  5. Step 5: Solve for x
    x = 20,420,745,755.28/117,556.40
  6. Step 6: Final answer
    x = 173,710.20

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1.5x scale

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.