Home / 193,212.72-266,629.44-107,157.84

Finding the Fourth Proportional to 193,212.72, 266,629.44 and 107,157.84

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Solution

The fourth proportional to 193,212.72, 266,629.44 and 107,157.84 is: 147,875.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,212.72 : 266,629.44 = 107,157.84 : x
  2. Step 2: Convert to fraction form
    193,212.72/266,629.44 = 107,157.84/x
  3. Step 3: Cross multiply
    193,212.72x = 266,629.44 × 107,157.84
  4. Step 4: Simplify right side
    193,212.72x = 28,571,434,870.81
  5. Step 5: Solve for x
    x = 28,571,434,870.81/193,212.72
  6. Step 6: Final answer
    x = 147,875.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.