Home / 98,814.67-148,221.73-76,358.03

Finding the Fourth Proportional to 98,814.67, 148,221.73 and 76,358.03

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Solution

The fourth proportional to 98,814.67, 148,221.73 and 76,358.03 is: 114,536.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,814.67 : 148,221.73 = 76,358.03 : x
  2. Step 2: Convert to fraction form
    98,814.67/148,221.73 = 76,358.03/x
  3. Step 3: Cross multiply
    98,814.67x = 148,221.73 × 76,358.03
  4. Step 4: Simplify right side
    98,814.67x = 11,317,919,305.99
  5. Step 5: Solve for x
    x = 11,317,919,305.99/98,814.67
  6. Step 6: Final answer
    x = 114,536.83

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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.