Home / 186,036.58-279,048.60-80,855.56

Finding the Fourth Proportional to 186,036.58, 279,048.60 and 80,855.56

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Solution

The fourth proportional to 186,036.58, 279,048.60 and 80,855.56 is: 121,280.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,036.58 : 279,048.60 = 80,855.56 : x
  2. Step 2: Convert to fraction form
    186,036.58/279,048.60 = 80,855.56/x
  3. Step 3: Cross multiply
    186,036.58x = 279,048.60 × 80,855.56
  4. Step 4: Simplify right side
    186,036.58x = 22,562,630,820.22
  5. Step 5: Solve for x
    x = 22,562,630,820.22/186,036.58
  6. Step 6: Final answer
    x = 121,280.61

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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.