Home / 303,532.10-455,298.15-223,815.95

Finding the Fourth Proportional to 303,532.10, 455,298.15 and 223,815.95

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Solution

The fourth proportional to 303,532.10, 455,298.15 and 223,815.95 is: 335,723.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,532.10 : 455,298.15 = 223,815.95 : x
  2. Step 2: Convert to fraction form
    303,532.10/455,298.15 = 223,815.95/x
  3. Step 3: Cross multiply
    303,532.10x = 455,298.15 × 223,815.95
  4. Step 4: Simplify right side
    303,532.10x = 101,902,987,975.49
  5. Step 5: Solve for x
    x = 101,902,987,975.49/303,532.10
  6. Step 6: Final answer
    x = 335,723.93

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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.