Home / 82,194.72-123,297.54-28,880.22

Finding the Fourth Proportional to 82,194.72, 123,297.54 and 28,880.22

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Solution

The fourth proportional to 82,194.72, 123,297.54 and 28,880.22 is: 43,322.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,194.72 : 123,297.54 = 28,880.22 : x
  2. Step 2: Convert to fraction form
    82,194.72/123,297.54 = 28,880.22/x
  3. Step 3: Cross multiply
    82,194.72x = 123,297.54 × 28,880.22
  4. Step 4: Simplify right side
    82,194.72x = 3,560,860,080.66
  5. Step 5: Solve for x
    x = 3,560,860,080.66/82,194.72
  6. Step 6: Final answer
    x = 43,322.25

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1.5x scale

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.