Home / 186,091.67-279,031.80-126,998.93

Finding the Fourth Proportional to 186,091.67, 279,031.80 and 126,998.93

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Solution

The fourth proportional to 186,091.67, 279,031.80 and 126,998.93 is: 190,426.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,091.67 : 279,031.80 = 126,998.93 : x
  2. Step 2: Convert to fraction form
    186,091.67/279,031.80 = 126,998.93/x
  3. Step 3: Cross multiply
    186,091.67x = 279,031.80 × 126,998.93
  4. Step 4: Simplify right side
    186,091.67x = 35,436,740,035.97
  5. Step 5: Solve for x
    x = 35,436,740,035.97/186,091.67
  6. Step 6: Final answer
    x = 190,426.26

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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.