Home / 168,157.75-252,023.33-166,378.05

Finding the Fourth Proportional to 168,157.75, 252,023.33 and 166,378.05

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Solution

The fourth proportional to 168,157.75, 252,023.33 and 166,378.05 is: 249,356.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,157.75 : 252,023.33 = 166,378.05 : x
  2. Step 2: Convert to fraction form
    168,157.75/252,023.33 = 166,378.05/x
  3. Step 3: Cross multiply
    168,157.75x = 252,023.33 × 166,378.05
  4. Step 4: Simplify right side
    168,157.75x = 41,931,148,734.89
  5. Step 5: Solve for x
    x = 41,931,148,734.89/168,157.75
  6. Step 6: Final answer
    x = 249,356.03

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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.