Home / 120,202.11-180,315.18-41,305.95

Finding the Fourth Proportional to 120,202.11, 180,315.18 and 41,305.95

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Solution

The fourth proportional to 120,202.11, 180,315.18 and 41,305.95 is: 61,963.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,202.11 : 180,315.18 = 41,305.95 : x
  2. Step 2: Convert to fraction form
    120,202.11/180,315.18 = 41,305.95/x
  3. Step 3: Cross multiply
    120,202.11x = 180,315.18 × 41,305.95
  4. Step 4: Simplify right side
    120,202.11x = 7,448,089,809.32
  5. Step 5: Solve for x
    x = 7,448,089,809.32/120,202.11
  6. Step 6: Final answer
    x = 61,963.05

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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.