Home / 351,300.24-484,668.36-200,309.76

Finding the Fourth Proportional to 351,300.24, 484,668.36 and 200,309.76

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Solution

The fourth proportional to 351,300.24, 484,668.36 and 200,309.76 is: 276,355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,300.24 : 484,668.36 = 200,309.76 : x
  2. Step 2: Convert to fraction form
    351,300.24/484,668.36 = 200,309.76/x
  3. Step 3: Cross multiply
    351,300.24x = 484,668.36 × 200,309.76
  4. Step 4: Simplify right side
    351,300.24x = 97,083,802,871.19
  5. Step 5: Solve for x
    x = 97,083,802,871.19/351,300.24
  6. Step 6: Final answer
    x = 276,355.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.