Home / 186,090.67-279,030.30-126,997.93

Finding the Fourth Proportional to 186,090.67, 279,030.30 and 126,997.93

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Solution

The fourth proportional to 186,090.67, 279,030.30 and 126,997.93 is: 190,424.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,090.67 : 279,030.30 = 126,997.93 : x
  2. Step 2: Convert to fraction form
    186,090.67/279,030.30 = 126,997.93/x
  3. Step 3: Cross multiply
    186,090.67x = 279,030.30 × 126,997.93
  4. Step 4: Simplify right side
    186,090.67x = 35,436,270,507.28
  5. Step 5: Solve for x
    x = 35,436,270,507.28/186,090.67
  6. Step 6: Final answer
    x = 190,424.76

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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.