Home / 235,732.27-325,317.44-128,309.26

Finding the Fourth Proportional to 235,732.27, 325,317.44 and 128,309.26

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Solution

The fourth proportional to 235,732.27, 325,317.44 and 128,309.26 is: 177,070.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,732.27 : 325,317.44 = 128,309.26 : x
  2. Step 2: Convert to fraction form
    235,732.27/325,317.44 = 128,309.26/x
  3. Step 3: Cross multiply
    235,732.27x = 325,317.44 × 128,309.26
  4. Step 4: Simplify right side
    235,732.27x = 41,741,239,991.49
  5. Step 5: Solve for x
    x = 41,741,239,991.49/235,732.27
  6. Step 6: Final answer
    x = 177,070.54

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1.5x scale

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.