Home / 320,261.64-480,277.26-109,845

Finding the Fourth Proportional to 320,261.64, 480,277.26 and 109,845

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Solution

The fourth proportional to 320,261.64, 480,277.26 and 109,845 is: 164,727.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,261.64 : 480,277.26 = 109,845 : x
  2. Step 2: Convert to fraction form
    320,261.64/480,277.26 = 109,845/x
  3. Step 3: Cross multiply
    320,261.64x = 480,277.26 × 109,845
  4. Step 4: Simplify right side
    320,261.64x = 52,756,055,624.70
  5. Step 5: Solve for x
    x = 52,756,055,624.70/320,261.64
  6. Step 6: Final answer
    x = 164,727.99

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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.