Home / 256,957.28-354,596.75-142,233.46

Finding the Fourth Proportional to 256,957.28, 354,596.75 and 142,233.46

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Solution

The fourth proportional to 256,957.28, 354,596.75 and 142,233.46 is: 196,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,957.28 : 354,596.75 = 142,233.46 : x
  2. Step 2: Convert to fraction form
    256,957.28/354,596.75 = 142,233.46/x
  3. Step 3: Cross multiply
    256,957.28x = 354,596.75 × 142,233.46
  4. Step 4: Simplify right side
    256,957.28x = 50,435,523,788.52
  5. Step 5: Solve for x
    x = 50,435,523,788.52/256,957.28
  6. Step 6: Final answer
    x = 196,279.80

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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.