Home / 256,104.36-353,444.04-142,944.12

Finding the Fourth Proportional to 256,104.36, 353,444.04 and 142,944.12

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Solution

The fourth proportional to 256,104.36, 353,444.04 and 142,944.12 is: 197,274.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,104.36 : 353,444.04 = 142,944.12 : x
  2. Step 2: Convert to fraction form
    256,104.36/353,444.04 = 142,944.12/x
  3. Step 3: Cross multiply
    256,104.36x = 353,444.04 × 142,944.12
  4. Step 4: Simplify right side
    256,104.36x = 50,522,747,267.04
  5. Step 5: Solve for x
    x = 50,522,747,267.04/256,104.36
  6. Step 6: Final answer
    x = 197,274.06

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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.