Home / 256,835.11-354,771.11-197,143.37

Finding the Fourth Proportional to 256,835.11, 354,771.11 and 197,143.37

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Solution

The fourth proportional to 256,835.11, 354,771.11 and 197,143.37 is: 272,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,835.11 : 354,771.11 = 197,143.37 : x
  2. Step 2: Convert to fraction form
    256,835.11/354,771.11 = 197,143.37/x
  3. Step 3: Cross multiply
    256,835.11x = 354,771.11 × 197,143.37
  4. Step 4: Simplify right side
    256,835.11x = 69,940,772,204.04
  5. Step 5: Solve for x
    x = 69,940,772,204.04/256,835.11
  6. Step 6: Final answer
    x = 272,317.80

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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.