Home / 256,236.39-353,579.40-148,785.48

Finding the Fourth Proportional to 256,236.39, 353,579.40 and 148,785.48

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Solution

The fourth proportional to 256,236.39, 353,579.40 and 148,785.48 is: 205,308.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,236.39 : 353,579.40 = 148,785.48 : x
  2. Step 2: Convert to fraction form
    256,236.39/353,579.40 = 148,785.48/x
  3. Step 3: Cross multiply
    256,236.39x = 353,579.40 × 148,785.48
  4. Step 4: Simplify right side
    256,236.39x = 52,607,480,747.11
  5. Step 5: Solve for x
    x = 52,607,480,747.11/256,236.39
  6. Step 6: Final answer
    x = 205,308.39

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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.