Home / 254,166.42-381,119.37-134,287.72

Finding the Fourth Proportional to 254,166.42, 381,119.37 and 134,287.72

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Solution

The fourth proportional to 254,166.42, 381,119.37 and 134,287.72 is: 201,362.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,166.42 : 381,119.37 = 134,287.72 : x
  2. Step 2: Convert to fraction form
    254,166.42/381,119.37 = 134,287.72/x
  3. Step 3: Cross multiply
    254,166.42x = 381,119.37 × 134,287.72
  4. Step 4: Simplify right side
    254,166.42x = 51,179,651,245.14
  5. Step 5: Solve for x
    x = 51,179,651,245.14/254,166.42
  6. Step 6: Final answer
    x = 201,362.76

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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.