Home / 186,629.94-257,589.45-110,120.58

Finding the Fourth Proportional to 186,629.94, 257,589.45 and 110,120.58

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Solution

The fourth proportional to 186,629.94, 257,589.45 and 110,120.58 is: 151,990.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,629.94 : 257,589.45 = 110,120.58 : x
  2. Step 2: Convert to fraction form
    186,629.94/257,589.45 = 110,120.58/x
  3. Step 3: Cross multiply
    186,629.94x = 257,589.45 × 110,120.58
  4. Step 4: Simplify right side
    186,629.94x = 28,365,899,635.88
  5. Step 5: Solve for x
    x = 28,365,899,635.88/186,629.94
  6. Step 6: Final answer
    x = 151,990.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.