Home / 256,665.23-354,241.72-149,297.50

Finding the Fourth Proportional to 256,665.23, 354,241.72 and 149,297.50

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Solution

The fourth proportional to 256,665.23, 354,241.72 and 149,297.50 is: 206,055.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,665.23 : 354,241.72 = 149,297.50 : x
  2. Step 2: Convert to fraction form
    256,665.23/354,241.72 = 149,297.50/x
  3. Step 3: Cross multiply
    256,665.23x = 354,241.72 × 149,297.50
  4. Step 4: Simplify right side
    256,665.23x = 52,887,403,191.70
  5. Step 5: Solve for x
    x = 52,887,403,191.70/256,665.23
  6. Step 6: Final answer
    x = 206,055.97

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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.