Home / 98,648.24-147,800.12-82,114.56

Finding the Fourth Proportional to 98,648.24, 147,800.12 and 82,114.56

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Solution

The fourth proportional to 98,648.24, 147,800.12 and 82,114.56 is: 123,028.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,648.24 : 147,800.12 = 82,114.56 : x
  2. Step 2: Convert to fraction form
    98,648.24/147,800.12 = 82,114.56/x
  3. Step 3: Cross multiply
    98,648.24x = 147,800.12 × 82,114.56
  4. Step 4: Simplify right side
    98,648.24x = 12,136,541,821.75
  5. Step 5: Solve for x
    x = 12,136,541,821.75/98,648.24
  6. Step 6: Final answer
    x = 123,028.47

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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.