Home / 134,107.74-185,069.07-80,395.02

Finding the Fourth Proportional to 134,107.74, 185,069.07 and 80,395.02

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Solution

The fourth proportional to 134,107.74, 185,069.07 and 80,395.02 is: 110,945.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,107.74 : 185,069.07 = 80,395.02 : x
  2. Step 2: Convert to fraction form
    134,107.74/185,069.07 = 80,395.02/x
  3. Step 3: Cross multiply
    134,107.74x = 185,069.07 × 80,395.02
  4. Step 4: Simplify right side
    134,107.74x = 14,878,631,584.03
  5. Step 5: Solve for x
    x = 14,878,631,584.03/134,107.74
  6. Step 6: Final answer
    x = 110,945.36

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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.