Home / 303,350.10-455,025.15-103,622.33

Finding the Fourth Proportional to 303,350.10, 455,025.15 and 103,622.33

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Solution

The fourth proportional to 303,350.10, 455,025.15 and 103,622.33 is: 155,433.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,350.10 : 455,025.15 = 103,622.33 : x
  2. Step 2: Convert to fraction form
    303,350.10/455,025.15 = 103,622.33/x
  3. Step 3: Cross multiply
    303,350.10x = 455,025.15 × 103,622.33
  4. Step 4: Simplify right side
    303,350.10x = 47,150,766,251.60
  5. Step 5: Solve for x
    x = 47,150,766,251.60/303,350.10
  6. Step 6: Final answer
    x = 155,433.50

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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.