Home / 256,110.31-353,422.94-141,386.49

Finding the Fourth Proportional to 256,110.31, 353,422.94 and 141,386.49

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Solution

The fourth proportional to 256,110.31, 353,422.94 and 141,386.49 is: 195,108.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,110.31 : 353,422.94 = 141,386.49 : x
  2. Step 2: Convert to fraction form
    256,110.31/353,422.94 = 141,386.49/x
  3. Step 3: Cross multiply
    256,110.31x = 353,422.94 × 141,386.49
  4. Step 4: Simplify right side
    256,110.31x = 49,969,227,204.97
  5. Step 5: Solve for x
    x = 49,969,227,204.97/256,110.31
  6. Step 6: Final answer
    x = 195,108.23

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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.