Home / 256,822.97-354,426.15-142,099.76

Finding the Fourth Proportional to 256,822.97, 354,426.15 and 142,099.76

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Solution

The fourth proportional to 256,822.97, 354,426.15 and 142,099.76 is: 196,103.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,822.97 : 354,426.15 = 142,099.76 : x
  2. Step 2: Convert to fraction form
    256,822.97/354,426.15 = 142,099.76/x
  3. Step 3: Cross multiply
    256,822.97x = 354,426.15 × 142,099.76
  4. Step 4: Simplify right side
    256,822.97x = 50,363,869,080.59
  5. Step 5: Solve for x
    x = 50,363,869,080.59/256,822.97
  6. Step 6: Final answer
    x = 196,103.44

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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.