Home / 751,900.03-1,127,916.34-212,161.03

Finding the Fourth Proportional to 751,900.03, 1,127,916.34 and 212,161.03

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Solution

The fourth proportional to 751,900.03, 1,127,916.34 and 212,161.03 is: 318,260.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,900.03 : 1,127,916.34 = 212,161.03 : x
  2. Step 2: Convert to fraction form
    751,900.03/1,127,916.34 = 212,161.03/x
  3. Step 3: Cross multiply
    751,900.03x = 1,127,916.34 × 212,161.03
  4. Step 4: Simplify right side
    751,900.03x = 239,299,889,098.04
  5. Step 5: Solve for x
    x = 239,299,889,098.04/751,900.03
  6. Step 6: Final answer
    x = 318,260.25

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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.