Home / 317,000.22-437,505.12-196,180.44

Finding the Fourth Proportional to 317,000.22, 437,505.12 and 196,180.44

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Solution

The fourth proportional to 317,000.22, 437,505.12 and 196,180.44 is: 270,756.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,000.22 : 437,505.12 = 196,180.44 : x
  2. Step 2: Convert to fraction form
    317,000.22/437,505.12 = 196,180.44/x
  3. Step 3: Cross multiply
    317,000.22x = 437,505.12 × 196,180.44
  4. Step 4: Simplify right side
    317,000.22x = 85,829,946,943.85
  5. Step 5: Solve for x
    x = 85,829,946,943.85/317,000.22
  6. Step 6: Final answer
    x = 270,756.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.