Home / 256,827.92-354,415.70-142,103.57

Finding the Fourth Proportional to 256,827.92, 354,415.70 and 142,103.57

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Solution

The fourth proportional to 256,827.92, 354,415.70 and 142,103.57 is: 196,099.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,827.92 : 354,415.70 = 142,103.57 : x
  2. Step 2: Convert to fraction form
    256,827.92/354,415.70 = 142,103.57/x
  3. Step 3: Cross multiply
    256,827.92x = 354,415.70 × 142,103.57
  4. Step 4: Simplify right side
    256,827.92x = 50,363,734,817.23
  5. Step 5: Solve for x
    x = 50,363,734,817.23/256,827.92
  6. Step 6: Final answer
    x = 196,099.15

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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.