Home / 256,623.20-354,109.08-141,886.34

Finding the Fourth Proportional to 256,623.20, 354,109.08 and 141,886.34

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Solution

The fourth proportional to 256,623.20, 354,109.08 and 141,886.34 is: 195,786.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,623.20 : 354,109.08 = 141,886.34 : x
  2. Step 2: Convert to fraction form
    256,623.20/354,109.08 = 141,886.34/x
  3. Step 3: Cross multiply
    256,623.20x = 354,109.08 × 141,886.34
  4. Step 4: Simplify right side
    256,623.20x = 50,243,241,321.97
  5. Step 5: Solve for x
    x = 50,243,241,321.97/256,623.20
  6. Step 6: Final answer
    x = 195,786.04

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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.