Home / 82,151.40-123,228.22-28,841.25

Finding the Fourth Proportional to 82,151.40, 123,228.22 and 28,841.25

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Solution

The fourth proportional to 82,151.40, 123,228.22 and 28,841.25 is: 43,262.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,151.40 : 123,228.22 = 28,841.25 : x
  2. Step 2: Convert to fraction form
    82,151.40/123,228.22 = 28,841.25/x
  3. Step 3: Cross multiply
    82,151.40x = 123,228.22 × 28,841.25
  4. Step 4: Simplify right side
    82,151.40x = 3,554,055,900.08
  5. Step 5: Solve for x
    x = 3,554,055,900.08/82,151.40
  6. Step 6: Final answer
    x = 43,262.27

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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.