Home / 254,135.28-381,156.66-96,311.64

Finding the Fourth Proportional to 254,135.28, 381,156.66 and 96,311.64

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Solution

The fourth proportional to 254,135.28, 381,156.66 and 96,311.64 is: 144,449.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,135.28 : 381,156.66 = 96,311.64 : x
  2. Step 2: Convert to fraction form
    254,135.28/381,156.66 = 96,311.64/x
  3. Step 3: Cross multiply
    254,135.28x = 381,156.66 × 96,311.64
  4. Step 4: Simplify right side
    254,135.28x = 36,709,823,021.52
  5. Step 5: Solve for x
    x = 36,709,823,021.52/254,135.28
  6. Step 6: Final answer
    x = 144,449.93

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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.