Home / 316,496.22-475,072.38-212,045.10

Finding the Fourth Proportional to 316,496.22, 475,072.38 and 212,045.10

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Solution

The fourth proportional to 316,496.22, 475,072.38 and 212,045.10 is: 318,287.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,496.22 : 475,072.38 = 212,045.10 : x
  2. Step 2: Convert to fraction form
    316,496.22/475,072.38 = 212,045.10/x
  3. Step 3: Cross multiply
    316,496.22x = 475,072.38 × 212,045.10
  4. Step 4: Simplify right side
    316,496.22x = 100,736,770,324.34
  5. Step 5: Solve for x
    x = 100,736,770,324.34/316,496.22
  6. Step 6: Final answer
    x = 318,287.44

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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.