Home / 420,739.52-631,305.92-184,051.52

Finding the Fourth Proportional to 420,739.52, 631,305.92 and 184,051.52

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Solution

The fourth proportional to 420,739.52, 631,305.92 and 184,051.52 is: 276,163.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,739.52 : 631,305.92 = 184,051.52 : x
  2. Step 2: Convert to fraction form
    420,739.52/631,305.92 = 184,051.52/x
  3. Step 3: Cross multiply
    420,739.52x = 631,305.92 × 184,051.52
  4. Step 4: Simplify right side
    420,739.52x = 116,192,814,161.00
  5. Step 5: Solve for x
    x = 116,192,814,161.00/420,739.52
  6. Step 6: Final answer
    x = 276,163.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.