Home / 303,145.08-454,592.50-103,481.56

Finding the Fourth Proportional to 303,145.08, 454,592.50 and 103,481.56

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Solution

The fourth proportional to 303,145.08, 454,592.50 and 103,481.56 is: 155,179.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,145.08 : 454,592.50 = 103,481.56 : x
  2. Step 2: Convert to fraction form
    303,145.08/454,592.50 = 103,481.56/x
  3. Step 3: Cross multiply
    303,145.08x = 454,592.50 × 103,481.56
  4. Step 4: Simplify right side
    303,145.08x = 47,041,941,064.30
  5. Step 5: Solve for x
    x = 47,041,941,064.30/303,145.08
  6. Step 6: Final answer
    x = 155,179.63

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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.