Home / 341,107.12-511,734.66-130,745.26

Finding the Fourth Proportional to 341,107.12, 511,734.66 and 130,745.26

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Solution

The fourth proportional to 341,107.12, 511,734.66 and 130,745.26 is: 196,146.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,107.12 : 511,734.66 = 130,745.26 : x
  2. Step 2: Convert to fraction form
    341,107.12/511,734.66 = 130,745.26/x
  3. Step 3: Cross multiply
    341,107.12x = 511,734.66 × 130,745.26
  4. Step 4: Simplify right side
    341,107.12x = 66,906,881,172.71
  5. Step 5: Solve for x
    x = 66,906,881,172.71/341,107.12
  6. Step 6: Final answer
    x = 196,146.25

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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.