Home / 126,986.99-190,585.58-63,825.21

Finding the Fourth Proportional to 126,986.99, 190,585.58 and 63,825.21

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Solution

The fourth proportional to 126,986.99, 190,585.58 and 63,825.21 is: 95,790.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,986.99 : 190,585.58 = 63,825.21 : x
  2. Step 2: Convert to fraction form
    126,986.99/190,585.58 = 63,825.21/x
  3. Step 3: Cross multiply
    126,986.99x = 190,585.58 × 63,825.21
  4. Step 4: Simplify right side
    126,986.99x = 12,164,164,347.35
  5. Step 5: Solve for x
    x = 12,164,164,347.35/126,986.99
  6. Step 6: Final answer
    x = 95,790.64

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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.