Home / 320,988.18-481,481.11-96,347.64

Finding the Fourth Proportional to 320,988.18, 481,481.11 and 96,347.64

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Solution

The fourth proportional to 320,988.18, 481,481.11 and 96,347.64 is: 144,521.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,988.18 : 481,481.11 = 96,347.64 : x
  2. Step 2: Convert to fraction form
    320,988.18/481,481.11 = 96,347.64/x
  3. Step 3: Cross multiply
    320,988.18x = 481,481.11 × 96,347.64
  4. Step 4: Simplify right side
    320,988.18x = 46,389,568,653.08
  5. Step 5: Solve for x
    x = 46,389,568,653.08/320,988.18
  6. Step 6: Final answer
    x = 144,521.11

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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.