Home / 445,577.49-668,405.59-125,732.18

Finding the Fourth Proportional to 445,577.49, 668,405.59 and 125,732.18

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Solution

The fourth proportional to 445,577.49, 668,405.59 and 125,732.18 is: 188,609.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,577.49 : 668,405.59 = 125,732.18 : x
  2. Step 2: Convert to fraction form
    445,577.49/668,405.59 = 125,732.18/x
  3. Step 3: Cross multiply
    445,577.49x = 668,405.59 × 125,732.18
  4. Step 4: Simplify right side
    445,577.49x = 84,040,093,311.57
  5. Step 5: Solve for x
    x = 84,040,093,311.57/445,577.49
  6. Step 6: Final answer
    x = 188,609.38

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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.