Home / 203,056.76-280,247.65-116,999.26

Finding the Fourth Proportional to 203,056.76, 280,247.65 and 116,999.26

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Solution

The fourth proportional to 203,056.76, 280,247.65 and 116,999.26 is: 161,475.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,056.76 : 280,247.65 = 116,999.26 : x
  2. Step 2: Convert to fraction form
    203,056.76/280,247.65 = 116,999.26/x
  3. Step 3: Cross multiply
    203,056.76x = 280,247.65 × 116,999.26
  4. Step 4: Simplify right side
    203,056.76x = 32,788,766,673.62
  5. Step 5: Solve for x
    x = 32,788,766,673.62/203,056.76
  6. Step 6: Final answer
    x = 161,475.87

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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.