Home / 168,085.10-252,172.20-73,274.60

Finding the Fourth Proportional to 168,085.10, 252,172.20 and 73,274.60

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Solution

The fourth proportional to 168,085.10, 252,172.20 and 73,274.60 is: 109,931.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,085.10 : 252,172.20 = 73,274.60 : x
  2. Step 2: Convert to fraction form
    168,085.10/252,172.20 = 73,274.60/x
  3. Step 3: Cross multiply
    168,085.10x = 252,172.20 × 73,274.60
  4. Step 4: Simplify right side
    168,085.10x = 18,477,817,086.12
  5. Step 5: Solve for x
    x = 18,477,817,086.12/168,085.10
  6. Step 6: Final answer
    x = 109,931.32

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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.