Home / 256,587.75-354,102.03-143,410.50

Finding the Fourth Proportional to 256,587.75, 354,102.03 and 143,410.50

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Solution

The fourth proportional to 256,587.75, 354,102.03 and 143,410.50 is: 197,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,587.75 : 354,102.03 = 143,410.50 : x
  2. Step 2: Convert to fraction form
    256,587.75/354,102.03 = 143,410.50/x
  3. Step 3: Cross multiply
    256,587.75x = 354,102.03 × 143,410.50
  4. Step 4: Simplify right side
    256,587.75x = 50,781,949,173.32
  5. Step 5: Solve for x
    x = 50,781,949,173.32/256,587.75
  6. Step 6: Final answer
    x = 197,912.60

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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.