Home / 251,523.28-346,999.69-142,604.64

Finding the Fourth Proportional to 251,523.28, 346,999.69 and 142,604.64

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Solution

The fourth proportional to 251,523.28, 346,999.69 and 142,604.64 is: 196,736.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,523.28 : 346,999.69 = 142,604.64 : x
  2. Step 2: Convert to fraction form
    251,523.28/346,999.69 = 142,604.64/x
  3. Step 3: Cross multiply
    251,523.28x = 346,999.69 × 142,604.64
  4. Step 4: Simplify right side
    251,523.28x = 49,483,765,872.56
  5. Step 5: Solve for x
    x = 49,483,765,872.56/251,523.28
  6. Step 6: Final answer
    x = 196,736.33

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1.5x scale

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.