Home / 490,738.22-736,107.50-153,805.01

Finding the Fourth Proportional to 490,738.22, 736,107.50 and 153,805.01

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Solution

The fourth proportional to 490,738.22, 736,107.50 and 153,805.01 is: 230,707.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,738.22 : 736,107.50 = 153,805.01 : x
  2. Step 2: Convert to fraction form
    490,738.22/736,107.50 = 153,805.01/x
  3. Step 3: Cross multiply
    490,738.22x = 736,107.50 × 153,805.01
  4. Step 4: Simplify right side
    490,738.22x = 113,217,023,046.59
  5. Step 5: Solve for x
    x = 113,217,023,046.59/490,738.22
  6. Step 6: Final answer
    x = 230,707.57

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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.