Home / 256,583.25-354,073.75-140,294.59

Finding the Fourth Proportional to 256,583.25, 354,073.75 and 140,294.59

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Solution

The fourth proportional to 256,583.25, 354,073.75 and 140,294.59 is: 193,600.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,583.25 : 354,073.75 = 140,294.59 : x
  2. Step 2: Convert to fraction form
    256,583.25/354,073.75 = 140,294.59/x
  3. Step 3: Cross multiply
    256,583.25x = 354,073.75 × 140,294.59
  4. Step 4: Simplify right side
    256,583.25x = 49,674,630,350.09
  5. Step 5: Solve for x
    x = 49,674,630,350.09/256,583.25
  6. Step 6: Final answer
    x = 193,600.44

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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.