Home / 256,767.03-354,331.88-142,042.71

Finding the Fourth Proportional to 256,767.03, 354,331.88 and 142,042.71

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Solution

The fourth proportional to 256,767.03, 354,331.88 and 142,042.71 is: 196,015.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,767.03 : 354,331.88 = 142,042.71 : x
  2. Step 2: Convert to fraction form
    256,767.03/354,331.88 = 142,042.71/x
  3. Step 3: Cross multiply
    256,767.03x = 354,331.88 × 142,042.71
  4. Step 4: Simplify right side
    256,767.03x = 50,330,259,764.38
  5. Step 5: Solve for x
    x = 50,330,259,764.38/256,767.03
  6. Step 6: Final answer
    x = 196,015.27

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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.