Home / 302,621.82-417,603-166,667.52

Finding the Fourth Proportional to 302,621.82, 417,603 and 166,667.52

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Solution

The fourth proportional to 302,621.82, 417,603 and 166,667.52 is: 229,992.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,621.82 : 417,603 = 166,667.52 : x
  2. Step 2: Convert to fraction form
    302,621.82/417,603 = 166,667.52/x
  3. Step 3: Cross multiply
    302,621.82x = 417,603 × 166,667.52
  4. Step 4: Simplify right side
    302,621.82x = 69,600,856,354.56
  5. Step 5: Solve for x
    x = 69,600,856,354.56/302,621.82
  6. Step 6: Final answer
    x = 229,992.85

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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.