Home / 256,824.60-354,408.99-142,101.42

Finding the Fourth Proportional to 256,824.60, 354,408.99 and 142,101.42

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Solution

The fourth proportional to 256,824.60, 354,408.99 and 142,101.42 is: 196,095.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,824.60 : 354,408.99 = 142,101.42 : x
  2. Step 2: Convert to fraction form
    256,824.60/354,408.99 = 142,101.42/x
  3. Step 3: Cross multiply
    256,824.60x = 354,408.99 × 142,101.42
  4. Step 4: Simplify right side
    256,824.60x = 50,362,020,739.77
  5. Step 5: Solve for x
    x = 50,362,020,739.77/256,824.60
  6. Step 6: Final answer
    x = 196,095.00

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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.