Home / 297,256.80-445,885.20-190,968.60

Finding the Fourth Proportional to 297,256.80, 445,885.20 and 190,968.60

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Solution

The fourth proportional to 297,256.80, 445,885.20 and 190,968.60 is: 286,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,256.80 : 445,885.20 = 190,968.60 : x
  2. Step 2: Convert to fraction form
    297,256.80/445,885.20 = 190,968.60/x
  3. Step 3: Cross multiply
    297,256.80x = 445,885.20 × 190,968.60
  4. Step 4: Simplify right side
    297,256.80x = 85,150,072,404.72
  5. Step 5: Solve for x
    x = 85,150,072,404.72/297,256.80
  6. Step 6: Final answer
    x = 286,452.90

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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.