Home / 120,290.46-180,433.79-41,405.37

Finding the Fourth Proportional to 120,290.46, 180,433.79 and 41,405.37

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Solution

The fourth proportional to 120,290.46, 180,433.79 and 41,405.37 is: 62,107.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,290.46 : 180,433.79 = 41,405.37 : x
  2. Step 2: Convert to fraction form
    120,290.46/180,433.79 = 41,405.37/x
  3. Step 3: Cross multiply
    120,290.46x = 180,433.79 × 41,405.37
  4. Step 4: Simplify right side
    120,290.46x = 7,470,926,933.28
  5. Step 5: Solve for x
    x = 7,470,926,933.28/120,290.46
  6. Step 6: Final answer
    x = 62,107.40

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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.