Home / 141,324.32-211,986.48-71,262.56

Finding the Fourth Proportional to 141,324.32, 211,986.48 and 71,262.56

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Solution

The fourth proportional to 141,324.32, 211,986.48 and 71,262.56 is: 106,893.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,324.32 : 211,986.48 = 71,262.56 : x
  2. Step 2: Convert to fraction form
    141,324.32/211,986.48 = 71,262.56/x
  3. Step 3: Cross multiply
    141,324.32x = 211,986.48 × 71,262.56
  4. Step 4: Simplify right side
    141,324.32x = 15,106,699,250.19
  5. Step 5: Solve for x
    x = 15,106,699,250.19/141,324.32
  6. Step 6: Final answer
    x = 106,893.84

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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.