Home / 203,174.86-280,383.36-122,586.79

Finding the Fourth Proportional to 203,174.86, 280,383.36 and 122,586.79

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Solution

The fourth proportional to 203,174.86, 280,383.36 and 122,586.79 is: 169,171.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,174.86 : 280,383.36 = 122,586.79 : x
  2. Step 2: Convert to fraction form
    203,174.86/280,383.36 = 122,586.79/x
  3. Step 3: Cross multiply
    203,174.86x = 280,383.36 × 122,586.79
  4. Step 4: Simplify right side
    203,174.86x = 34,371,296,071.81
  5. Step 5: Solve for x
    x = 34,371,296,071.81/203,174.86
  6. Step 6: Final answer
    x = 169,171.01

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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.