Home / 256,221.33-353,588.25-141,499.78

Finding the Fourth Proportional to 256,221.33, 353,588.25 and 141,499.78

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Solution

The fourth proportional to 256,221.33, 353,588.25 and 141,499.78 is: 195,271.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,221.33 : 353,588.25 = 141,499.78 : x
  2. Step 2: Convert to fraction form
    256,221.33/353,588.25 = 141,499.78/x
  3. Step 3: Cross multiply
    256,221.33x = 353,588.25 × 141,499.78
  4. Step 4: Simplify right side
    256,221.33x = 50,032,659,232.24
  5. Step 5: Solve for x
    x = 50,032,659,232.24/256,221.33
  6. Step 6: Final answer
    x = 195,271.25

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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.