Home / 82,149.95-123,225.90-28,843.26

Finding the Fourth Proportional to 82,149.95, 123,225.90 and 28,843.26

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Solution

The fourth proportional to 82,149.95, 123,225.90 and 28,843.26 is: 43,265.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,149.95 : 123,225.90 = 28,843.26 : x
  2. Step 2: Convert to fraction form
    82,149.95/123,225.90 = 28,843.26/x
  3. Step 3: Cross multiply
    82,149.95x = 123,225.90 × 28,843.26
  4. Step 4: Simplify right side
    82,149.95x = 3,554,236,528.22
  5. Step 5: Solve for x
    x = 3,554,236,528.22/82,149.95
  6. Step 6: Final answer
    x = 43,265.23

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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.