Home / 168,541.20-252,975.60-131,504.40

Finding the Fourth Proportional to 168,541.20, 252,975.60 and 131,504.40

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Solution

The fourth proportional to 168,541.20, 252,975.60 and 131,504.40 is: 197,384.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,541.20 : 252,975.60 = 131,504.40 : x
  2. Step 2: Convert to fraction form
    168,541.20/252,975.60 = 131,504.40/x
  3. Step 3: Cross multiply
    168,541.20x = 252,975.60 × 131,504.40
  4. Step 4: Simplify right side
    168,541.20x = 33,267,404,492.64
  5. Step 5: Solve for x
    x = 33,267,404,492.64/168,541.20
  6. Step 6: Final answer
    x = 197,384.41

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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.