Home / 256,617.19-354,100.82-141,880.33

Finding the Fourth Proportional to 256,617.19, 354,100.82 and 141,880.33

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Solution

The fourth proportional to 256,617.19, 354,100.82 and 141,880.33 is: 195,777.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,617.19 : 354,100.82 = 141,880.33 : x
  2. Step 2: Convert to fraction form
    256,617.19/354,100.82 = 141,880.33/x
  3. Step 3: Cross multiply
    256,617.19x = 354,100.82 × 141,880.33
  4. Step 4: Simplify right side
    256,617.19x = 50,239,941,924.00
  5. Step 5: Solve for x
    x = 50,239,941,924.00/256,617.19
  6. Step 6: Final answer
    x = 195,777.77

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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.