Home / 256,504.11-353,969.48-140,212.41

Finding the Fourth Proportional to 256,504.11, 353,969.48 and 140,212.41

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Solution

The fourth proportional to 256,504.11, 353,969.48 and 140,212.41 is: 193,489.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,504.11 : 353,969.48 = 140,212.41 : x
  2. Step 2: Convert to fraction form
    256,504.11/353,969.48 = 140,212.41/x
  3. Step 3: Cross multiply
    256,504.11x = 353,969.48 × 140,212.41
  4. Step 4: Simplify right side
    256,504.11x = 49,630,913,156.18
  5. Step 5: Solve for x
    x = 49,630,913,156.18/256,504.11
  6. Step 6: Final answer
    x = 193,489.74

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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.