Home / 147,709.06-203,826.99-87,268.24

Finding the Fourth Proportional to 147,709.06, 203,826.99 and 87,268.24

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Solution

The fourth proportional to 147,709.06, 203,826.99 and 87,268.24 is: 120,423.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,709.06 : 203,826.99 = 87,268.24 : x
  2. Step 2: Convert to fraction form
    147,709.06/203,826.99 = 87,268.24/x
  3. Step 3: Cross multiply
    147,709.06x = 203,826.99 × 87,268.24
  4. Step 4: Simplify right side
    147,709.06x = 17,787,622,899.97
  5. Step 5: Solve for x
    x = 17,787,622,899.97/147,709.06
  6. Step 6: Final answer
    x = 120,423.37

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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.