Home / 129,200.40-193,800.60-114,930.23

Finding the Fourth Proportional to 129,200.40, 193,800.60 and 114,930.23

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Solution

The fourth proportional to 129,200.40, 193,800.60 and 114,930.23 is: 172,395.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,200.40 : 193,800.60 = 114,930.23 : x
  2. Step 2: Convert to fraction form
    129,200.40/193,800.60 = 114,930.23/x
  3. Step 3: Cross multiply
    129,200.40x = 193,800.60 × 114,930.23
  4. Step 4: Simplify right side
    129,200.40x = 22,273,546,563.14
  5. Step 5: Solve for x
    x = 22,273,546,563.14/129,200.40
  6. Step 6: Final answer
    x = 172,395.34

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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.