Home / 183,790.60-253,619.43-103,216.05

Finding the Fourth Proportional to 183,790.60, 253,619.43 and 103,216.05

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Solution

The fourth proportional to 183,790.60, 253,619.43 and 103,216.05 is: 142,431.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,790.60 : 253,619.43 = 103,216.05 : x
  2. Step 2: Convert to fraction form
    183,790.60/253,619.43 = 103,216.05/x
  3. Step 3: Cross multiply
    183,790.60x = 253,619.43 × 103,216.05
  4. Step 4: Simplify right side
    183,790.60x = 26,177,595,767.85
  5. Step 5: Solve for x
    x = 26,177,595,767.85/183,790.60
  6. Step 6: Final answer
    x = 142,431.64

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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.