Home / 141,245.80-211,760.70-71,175.40

Finding the Fourth Proportional to 141,245.80, 211,760.70 and 71,175.40

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Solution

The fourth proportional to 141,245.80, 211,760.70 and 71,175.40 is: 106,708.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,245.80 : 211,760.70 = 71,175.40 : x
  2. Step 2: Convert to fraction form
    141,245.80/211,760.70 = 71,175.40/x
  3. Step 3: Cross multiply
    141,245.80x = 211,760.70 × 71,175.40
  4. Step 4: Simplify right side
    141,245.80x = 15,072,152,526.78
  5. Step 5: Solve for x
    x = 15,072,152,526.78/141,245.80
  6. Step 6: Final answer
    x = 106,708.68

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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.