Home / 256,853.37-354,796.50-197,161.62

Finding the Fourth Proportional to 256,853.37, 354,796.50 and 197,161.62

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Solution

The fourth proportional to 256,853.37, 354,796.50 and 197,161.62 is: 272,343.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,853.37 : 354,796.50 = 197,161.62 : x
  2. Step 2: Convert to fraction form
    256,853.37/354,796.50 = 197,161.62/x
  3. Step 3: Cross multiply
    256,853.37x = 354,796.50 × 197,161.62
  4. Step 4: Simplify right side
    256,853.37x = 69,952,252,710.33
  5. Step 5: Solve for x
    x = 69,952,252,710.33/256,853.37
  6. Step 6: Final answer
    x = 272,343.14

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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.