Home / 154,744.92-212,157.27-151,945.56

Finding the Fourth Proportional to 154,744.92, 212,157.27 and 151,945.56

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Solution

The fourth proportional to 154,744.92, 212,157.27 and 151,945.56 is: 208,319.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,744.92 : 212,157.27 = 151,945.56 : x
  2. Step 2: Convert to fraction form
    154,744.92/212,157.27 = 151,945.56/x
  3. Step 3: Cross multiply
    154,744.92x = 212,157.27 × 151,945.56
  4. Step 4: Simplify right side
    154,744.92x = 32,236,355,198.22
  5. Step 5: Solve for x
    x = 32,236,355,198.22/154,744.92
  6. Step 6: Final answer
    x = 208,319.31

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.