Home / 144,943.20-217,414.80-134,445.60

Finding the Fourth Proportional to 144,943.20, 217,414.80 and 134,445.60

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Solution

The fourth proportional to 144,943.20, 217,414.80 and 134,445.60 is: 201,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,943.20 : 217,414.80 = 134,445.60 : x
  2. Step 2: Convert to fraction form
    144,943.20/217,414.80 = 134,445.60/x
  3. Step 3: Cross multiply
    144,943.20x = 217,414.80 × 134,445.60
  4. Step 4: Simplify right side
    144,943.20x = 29,230,463,234.88
  5. Step 5: Solve for x
    x = 29,230,463,234.88/144,943.20
  6. Step 6: Final answer
    x = 201,668.40

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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.