Home / 186,090.17-279,029.55-126,997.43

Finding the Fourth Proportional to 186,090.17, 279,029.55 and 126,997.43

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Solution

The fourth proportional to 186,090.17, 279,029.55 and 126,997.43 is: 190,424.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,090.17 : 279,029.55 = 126,997.43 : x
  2. Step 2: Convert to fraction form
    186,090.17/279,029.55 = 126,997.43/x
  3. Step 3: Cross multiply
    186,090.17x = 279,029.55 × 126,997.43
  4. Step 4: Simplify right side
    186,090.17x = 35,436,035,744.06
  5. Step 5: Solve for x
    x = 35,436,035,744.06/186,090.17
  6. Step 6: Final answer
    x = 190,424.01

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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.