Home / 323,715.15-447,008.98-203,063.83

Finding the Fourth Proportional to 323,715.15, 447,008.98 and 203,063.83

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Solution

The fourth proportional to 323,715.15, 447,008.98 and 203,063.83 is: 280,405.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,715.15 : 447,008.98 = 203,063.83 : x
  2. Step 2: Convert to fraction form
    323,715.15/447,008.98 = 203,063.83/x
  3. Step 3: Cross multiply
    323,715.15x = 447,008.98 × 203,063.83
  4. Step 4: Simplify right side
    323,715.15x = 90,771,353,288.15
  5. Step 5: Solve for x
    x = 90,771,353,288.15/323,715.15
  6. Step 6: Final answer
    x = 280,405.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.