Home / 263,475.19-395,223.72-76,486.69

Finding the Fourth Proportional to 263,475.19, 395,223.72 and 76,486.69

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Solution

The fourth proportional to 263,475.19, 395,223.72 and 76,486.69 is: 114,733.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,475.19 : 395,223.72 = 76,486.69 : x
  2. Step 2: Convert to fraction form
    263,475.19/395,223.72 = 76,486.69/x
  3. Step 3: Cross multiply
    263,475.19x = 395,223.72 × 76,486.69
  4. Step 4: Simplify right side
    263,475.19x = 30,229,353,164.23
  5. Step 5: Solve for x
    x = 30,229,353,164.23/263,475.19
  6. Step 6: Final answer
    x = 114,733.21

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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.