Home / 262,918.26-394,430.45-83,031.80

Finding the Fourth Proportional to 262,918.26, 394,430.45 and 83,031.80

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Solution

The fourth proportional to 262,918.26, 394,430.45 and 83,031.80 is: 124,564.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,918.26 : 394,430.45 = 83,031.80 : x
  2. Step 2: Convert to fraction form
    262,918.26/394,430.45 = 83,031.80/x
  3. Step 3: Cross multiply
    262,918.26x = 394,430.45 × 83,031.80
  4. Step 4: Simplify right side
    262,918.26x = 32,750,270,238.31
  5. Step 5: Solve for x
    x = 32,750,270,238.31/262,918.26
  6. Step 6: Final answer
    x = 124,564.46

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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.