Home / 301,438.05-415,968.99-178,935.57

Finding the Fourth Proportional to 301,438.05, 415,968.99 and 178,935.57

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Solution

The fourth proportional to 301,438.05, 415,968.99 and 178,935.57 is: 246,921.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,438.05 : 415,968.99 = 178,935.57 : x
  2. Step 2: Convert to fraction form
    301,438.05/415,968.99 = 178,935.57/x
  3. Step 3: Cross multiply
    301,438.05x = 415,968.99 × 178,935.57
  4. Step 4: Simplify right side
    301,438.05x = 74,431,648,327.97
  5. Step 5: Solve for x
    x = 74,431,648,327.97/301,438.05
  6. Step 6: Final answer
    x = 246,921.87

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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.