Home / 120,891.04-180,121.49-114,100.24

Finding the Fourth Proportional to 120,891.04, 180,121.49 and 114,100.24

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Solution

The fourth proportional to 120,891.04, 180,121.49 and 114,100.24 is: 170,003.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,891.04 : 180,121.49 = 114,100.24 : x
  2. Step 2: Convert to fraction form
    120,891.04/180,121.49 = 114,100.24/x
  3. Step 3: Cross multiply
    120,891.04x = 180,121.49 × 114,100.24
  4. Step 4: Simplify right side
    120,891.04x = 20,551,905,238.16
  5. Step 5: Solve for x
    x = 20,551,905,238.16/120,891.04
  6. Step 6: Final answer
    x = 170,003.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.