Home / 168,002.10-252,047.70-73,191.60

Finding the Fourth Proportional to 168,002.10, 252,047.70 and 73,191.60

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Solution

The fourth proportional to 168,002.10, 252,047.70 and 73,191.60 is: 109,806.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,002.10 : 252,047.70 = 73,191.60 : x
  2. Step 2: Convert to fraction form
    168,002.10/252,047.70 = 73,191.60/x
  3. Step 3: Cross multiply
    168,002.10x = 252,047.70 × 73,191.60
  4. Step 4: Simplify right side
    168,002.10x = 18,447,774,439.32
  5. Step 5: Solve for x
    x = 18,447,774,439.32/168,002.10
  6. Step 6: Final answer
    x = 109,806.81

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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.