Home / 316,447.06-474,998.64-211,995.94

Finding the Fourth Proportional to 316,447.06, 474,998.64 and 211,995.94

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Solution

The fourth proportional to 316,447.06, 474,998.64 and 211,995.94 is: 318,213.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,447.06 : 474,998.64 = 211,995.94 : x
  2. Step 2: Convert to fraction form
    316,447.06/474,998.64 = 211,995.94/x
  3. Step 3: Cross multiply
    316,447.06x = 474,998.64 × 211,995.94
  4. Step 4: Simplify right side
    316,447.06x = 100,697,783,185.52
  5. Step 5: Solve for x
    x = 100,697,783,185.52/316,447.06
  6. Step 6: Final answer
    x = 318,213.68

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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.