Home / 320,824.84-480,966.56-202,234.72

Finding the Fourth Proportional to 320,824.84, 480,966.56 and 202,234.72

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Solution

The fourth proportional to 320,824.84, 480,966.56 and 202,234.72 is: 303,181.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,824.84 : 480,966.56 = 202,234.72 : x
  2. Step 2: Convert to fraction form
    320,824.84/480,966.56 = 202,234.72/x
  3. Step 3: Cross multiply
    320,824.84x = 480,966.56 × 202,234.72
  4. Step 4: Simplify right side
    320,824.84x = 97,268,137,590.96
  5. Step 5: Solve for x
    x = 97,268,137,590.96/320,824.84
  6. Step 6: Final answer
    x = 303,181.44

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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.