Home / 256,794.06-354,372.66-142,081.05

Finding the Fourth Proportional to 256,794.06, 354,372.66 and 142,081.05

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Solution

The fourth proportional to 256,794.06, 354,372.66 and 142,081.05 is: 196,070.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,794.06 : 354,372.66 = 142,081.05 : x
  2. Step 2: Convert to fraction form
    256,794.06/354,372.66 = 142,081.05/x
  3. Step 3: Cross multiply
    256,794.06x = 354,372.66 × 142,081.05
  4. Step 4: Simplify right side
    256,794.06x = 50,349,639,624.09
  5. Step 5: Solve for x
    x = 50,349,639,624.09/256,794.06
  6. Step 6: Final answer
    x = 196,070.11

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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.