Home / 141,197.12-211,733.48-66,338.54

Finding the Fourth Proportional to 141,197.12, 211,733.48 and 66,338.54

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Solution

The fourth proportional to 141,197.12, 211,733.48 and 66,338.54 is: 99,478.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,197.12 : 211,733.48 = 66,338.54 : x
  2. Step 2: Convert to fraction form
    141,197.12/211,733.48 = 66,338.54/x
  3. Step 3: Cross multiply
    141,197.12x = 211,733.48 × 66,338.54
  4. Step 4: Simplify right side
    141,197.12x = 14,046,089,932.32
  5. Step 5: Solve for x
    x = 14,046,089,932.32/141,197.12
  6. Step 6: Final answer
    x = 99,478.59

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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.