Home / 141,740.85-212,611.56-133,080.33

Finding the Fourth Proportional to 141,740.85, 212,611.56 and 133,080.33

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Solution

The fourth proportional to 141,740.85, 212,611.56 and 133,080.33 is: 199,620.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,740.85 : 212,611.56 = 133,080.33 : x
  2. Step 2: Convert to fraction form
    141,740.85/212,611.56 = 133,080.33/x
  3. Step 3: Cross multiply
    141,740.85x = 212,611.56 × 133,080.33
  4. Step 4: Simplify right side
    141,740.85x = 28,294,416,566.61
  5. Step 5: Solve for x
    x = 28,294,416,566.61/141,740.85
  6. Step 6: Final answer
    x = 199,620.76

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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.