Home / 186,023.57-279,029.12-80,842.54

Finding the Fourth Proportional to 186,023.57, 279,029.12 and 80,842.54

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Solution

The fourth proportional to 186,023.57, 279,029.12 and 80,842.54 is: 121,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,023.57 : 279,029.12 = 80,842.54 : x
  2. Step 2: Convert to fraction form
    186,023.57/279,029.12 = 80,842.54/x
  3. Step 3: Cross multiply
    186,023.57x = 279,029.12 × 80,842.54
  4. Step 4: Simplify right side
    186,023.57x = 22,557,422,299.30
  5. Step 5: Solve for x
    x = 22,557,422,299.30/186,023.57
  6. Step 6: Final answer
    x = 121,261.10

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1.5x scale

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.