Home / 256,639.22-354,147.69-141,911.02

Finding the Fourth Proportional to 256,639.22, 354,147.69 and 141,911.02

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Solution

The fourth proportional to 256,639.22, 354,147.69 and 141,911.02 is: 195,829.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,639.22 : 354,147.69 = 141,911.02 : x
  2. Step 2: Convert to fraction form
    256,639.22/354,147.69 = 141,911.02/x
  3. Step 3: Cross multiply
    256,639.22x = 354,147.69 × 141,911.02
  4. Step 4: Simplify right side
    256,639.22x = 50,257,459,918.54
  5. Step 5: Solve for x
    x = 50,257,459,918.54/256,639.22
  6. Step 6: Final answer
    x = 195,829.23

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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.