Home / 186,401.80-279,581.77-51,485.05

Finding the Fourth Proportional to 186,401.80, 279,581.77 and 51,485.05

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Solution

The fourth proportional to 186,401.80, 279,581.77 and 51,485.05 is: 77,221.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,401.80 : 279,581.77 = 51,485.05 : x
  2. Step 2: Convert to fraction form
    186,401.80/279,581.77 = 51,485.05/x
  3. Step 3: Cross multiply
    186,401.80x = 279,581.77 × 51,485.05
  4. Step 4: Simplify right side
    186,401.80x = 14,394,281,407.54
  5. Step 5: Solve for x
    x = 14,394,281,407.54/186,401.80
  6. Step 6: Final answer
    x = 77,221.79

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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.