Home / 168,069.10-252,148.20-73,258.60

Finding the Fourth Proportional to 168,069.10, 252,148.20 and 73,258.60

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Solution

The fourth proportional to 168,069.10, 252,148.20 and 73,258.60 is: 109,907.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,069.10 : 252,148.20 = 73,258.60 : x
  2. Step 2: Convert to fraction form
    168,069.10/252,148.20 = 73,258.60/x
  3. Step 3: Cross multiply
    168,069.10x = 252,148.20 × 73,258.60
  4. Step 4: Simplify right side
    168,069.10x = 18,472,024,124.52
  5. Step 5: Solve for x
    x = 18,472,024,124.52/168,069.10
  6. Step 6: Final answer
    x = 109,907.32

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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.