Home / 351,417.90-484,947.78-196,370.52

Finding the Fourth Proportional to 351,417.90, 484,947.78 and 196,370.52

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Solution

The fourth proportional to 351,417.90, 484,947.78 and 196,370.52 is: 270,986.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,417.90 : 484,947.78 = 196,370.52 : x
  2. Step 2: Convert to fraction form
    351,417.90/484,947.78 = 196,370.52/x
  3. Step 3: Cross multiply
    351,417.90x = 484,947.78 × 196,370.52
  4. Step 4: Simplify right side
    351,417.90x = 95,229,447,731.45
  5. Step 5: Solve for x
    x = 95,229,447,731.45/351,417.90
  6. Step 6: Final answer
    x = 270,986.33

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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.