Home / 301,255.06-415,717.95-165,285.94

Finding the Fourth Proportional to 301,255.06, 415,717.95 and 165,285.94

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Solution

The fourth proportional to 301,255.06, 415,717.95 and 165,285.94 is: 228,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,255.06 : 415,717.95 = 165,285.94 : x
  2. Step 2: Convert to fraction form
    301,255.06/415,717.95 = 165,285.94/x
  3. Step 3: Cross multiply
    301,255.06x = 415,717.95 × 165,285.94
  4. Step 4: Simplify right side
    301,255.06x = 68,712,332,140.62
  5. Step 5: Solve for x
    x = 68,712,332,140.62/301,255.06
  6. Step 6: Final answer
    x = 228,086.90

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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.