Home / 256,683.26-354,220.67-141,959.45

Finding the Fourth Proportional to 256,683.26, 354,220.67 and 141,959.45

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Solution

The fourth proportional to 256,683.26, 354,220.67 and 141,959.45 is: 195,902.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,683.26 : 354,220.67 = 141,959.45 : x
  2. Step 2: Convert to fraction form
    256,683.26/354,220.67 = 141,959.45/x
  3. Step 3: Cross multiply
    256,683.26x = 354,220.67 × 141,959.45
  4. Step 4: Simplify right side
    256,683.26x = 50,284,972,732.28
  5. Step 5: Solve for x
    x = 50,284,972,732.28/256,683.26
  6. Step 6: Final answer
    x = 195,902.81

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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.