Home / 318,519.56-477,379.26-190,530.24

Finding the Fourth Proportional to 318,519.56, 477,379.26 and 190,530.24

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Solution

The fourth proportional to 318,519.56, 477,379.26 and 190,530.24 is: 285,556.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,519.56 : 477,379.26 = 190,530.24 : x
  2. Step 2: Convert to fraction form
    318,519.56/477,379.26 = 190,530.24/x
  3. Step 3: Cross multiply
    318,519.56x = 477,379.26 × 190,530.24
  4. Step 4: Simplify right side
    318,519.56x = 90,955,184,978.82
  5. Step 5: Solve for x
    x = 90,955,184,978.82/318,519.56
  6. Step 6: Final answer
    x = 285,556.05

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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.