Home / 98,926.20-148,215.42-82,392.12

Finding the Fourth Proportional to 98,926.20, 148,215.42 and 82,392.12

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Solution

The fourth proportional to 98,926.20, 148,215.42 and 82,392.12 is: 123,443.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,926.20 : 148,215.42 = 82,392.12 : x
  2. Step 2: Convert to fraction form
    98,926.20/148,215.42 = 82,392.12/x
  3. Step 3: Cross multiply
    98,926.20x = 148,215.42 × 82,392.12
  4. Step 4: Simplify right side
    98,926.20x = 12,211,782,670.49
  5. Step 5: Solve for x
    x = 12,211,782,670.49/98,926.20
  6. Step 6: Final answer
    x = 123,443.36

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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.