Home / 202,148.12-303,408.94-102,378.44

Finding the Fourth Proportional to 202,148.12, 303,408.94 and 102,378.44

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Solution

The fourth proportional to 202,148.12, 303,408.94 and 102,378.44 is: 153,662.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,148.12 : 303,408.94 = 102,378.44 : x
  2. Step 2: Convert to fraction form
    202,148.12/303,408.94 = 102,378.44/x
  3. Step 3: Cross multiply
    202,148.12x = 303,408.94 × 102,378.44
  4. Step 4: Simplify right side
    202,148.12x = 31,062,533,959.25
  5. Step 5: Solve for x
    x = 31,062,533,959.25/202,148.12
  6. Step 6: Final answer
    x = 153,662.25

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1.5x scale

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.