Home / 235,899.36-325,537.20-140,403.60

Finding the Fourth Proportional to 235,899.36, 325,537.20 and 140,403.60

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Solution

The fourth proportional to 235,899.36, 325,537.20 and 140,403.60 is: 193,754.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,899.36 : 325,537.20 = 140,403.60 : x
  2. Step 2: Convert to fraction form
    235,899.36/325,537.20 = 140,403.60/x
  3. Step 3: Cross multiply
    235,899.36x = 325,537.20 × 140,403.60
  4. Step 4: Simplify right side
    235,899.36x = 45,706,594,813.92
  5. Step 5: Solve for x
    x = 45,706,594,813.92/235,899.36
  6. Step 6: Final answer
    x = 193,754.64

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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.