Home / 210,090.90-314,873.55-104,939.22

Finding the Fourth Proportional to 210,090.90, 314,873.55 and 104,939.22

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Solution

The fourth proportional to 210,090.90, 314,873.55 and 104,939.22 is: 157,277.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,090.90 : 314,873.55 = 104,939.22 : x
  2. Step 2: Convert to fraction form
    210,090.90/314,873.55 = 104,939.22/x
  3. Step 3: Cross multiply
    210,090.90x = 314,873.55 × 104,939.22
  4. Step 4: Simplify right side
    210,090.90x = 33,042,584,735.63
  5. Step 5: Solve for x
    x = 33,042,584,735.63/210,090.90
  6. Step 6: Final answer
    x = 157,277.56

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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.