Home / 186,288.55-279,276.09-81,028.24

Finding the Fourth Proportional to 186,288.55, 279,276.09 and 81,028.24

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Solution

The fourth proportional to 186,288.55, 279,276.09 and 81,028.24 is: 121,474.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,288.55 : 279,276.09 = 81,028.24 : x
  2. Step 2: Convert to fraction form
    186,288.55/279,276.09 = 81,028.24/x
  3. Step 3: Cross multiply
    186,288.55x = 279,276.09 × 81,028.24
  4. Step 4: Simplify right side
    186,288.55x = 22,629,250,046.78
  5. Step 5: Solve for x
    x = 22,629,250,046.78/186,288.55
  6. Step 6: Final answer
    x = 121,474.19

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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.