Home / 256,793.06-354,371.28-142,080.05

Finding the Fourth Proportional to 256,793.06, 354,371.28 and 142,080.05

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Solution

The fourth proportional to 256,793.06, 354,371.28 and 142,080.05 is: 196,068.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,793.06 : 354,371.28 = 142,080.05 : x
  2. Step 2: Convert to fraction form
    256,793.06/354,371.28 = 142,080.05/x
  3. Step 3: Cross multiply
    256,793.06x = 354,371.28 × 142,080.05
  4. Step 4: Simplify right side
    256,793.06x = 50,349,089,180.96
  5. Step 5: Solve for x
    x = 50,349,089,180.96/256,793.06
  6. Step 6: Final answer
    x = 196,068.73

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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.