Home / 186,090.42-279,029.93-126,997.68

Finding the Fourth Proportional to 186,090.42, 279,029.93 and 126,997.68

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Solution

The fourth proportional to 186,090.42, 279,029.93 and 126,997.68 is: 190,424.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,090.42 : 279,029.93 = 126,997.68 : x
  2. Step 2: Convert to fraction form
    186,090.42/279,029.93 = 126,997.68/x
  3. Step 3: Cross multiply
    186,090.42x = 279,029.93 × 126,997.68
  4. Step 4: Simplify right side
    186,090.42x = 35,436,153,125.57
  5. Step 5: Solve for x
    x = 35,436,153,125.57/186,090.42
  6. Step 6: Final answer
    x = 190,424.38

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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.