Home / 256,583.75-354,074.44-140,295.09

Finding the Fourth Proportional to 256,583.75, 354,074.44 and 140,295.09

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Solution

The fourth proportional to 256,583.75, 354,074.44 and 140,295.09 is: 193,601.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,583.75 : 354,074.44 = 140,295.09 : x
  2. Step 2: Convert to fraction form
    256,583.75/354,074.44 = 140,295.09/x
  3. Step 3: Cross multiply
    256,583.75x = 354,074.44 × 140,295.09
  4. Step 4: Simplify right side
    256,583.75x = 49,674,904,725.02
  5. Step 5: Solve for x
    x = 49,674,904,725.02/256,583.75
  6. Step 6: Final answer
    x = 193,601.13

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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.