Home / 358,749.66-538,190.75-148,404

Finding the Fourth Proportional to 358,749.66, 538,190.75 and 148,404

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Solution

The fourth proportional to 358,749.66, 538,190.75 and 148,404 is: 222,633.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,749.66 : 538,190.75 = 148,404 : x
  2. Step 2: Convert to fraction form
    358,749.66/538,190.75 = 148,404/x
  3. Step 3: Cross multiply
    358,749.66x = 538,190.75 × 148,404
  4. Step 4: Simplify right side
    358,749.66x = 79,869,660,063
  5. Step 5: Solve for x
    x = 79,869,660,063/358,749.66
  6. Step 6: Final answer
    x = 222,633.41

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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.