Home / 302,910.26-417,997.40-166,936.64

Finding the Fourth Proportional to 302,910.26, 417,997.40 and 166,936.64

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Solution

The fourth proportional to 302,910.26, 417,997.40 and 166,936.64 is: 230,362.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,910.26 : 417,997.40 = 166,936.64 : x
  2. Step 2: Convert to fraction form
    302,910.26/417,997.40 = 166,936.64/x
  3. Step 3: Cross multiply
    302,910.26x = 417,997.40 × 166,936.64
  4. Step 4: Simplify right side
    302,910.26x = 69,779,078,560.07
  5. Step 5: Solve for x
    x = 69,779,078,560.07/302,910.26
  6. Step 6: Final answer
    x = 230,362.22

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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.