Home / 256,187.34-384,280.20-69,198.84

Finding the Fourth Proportional to 256,187.34, 384,280.20 and 69,198.84

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Solution

The fourth proportional to 256,187.34, 384,280.20 and 69,198.84 is: 103,798.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,187.34 : 384,280.20 = 69,198.84 : x
  2. Step 2: Convert to fraction form
    256,187.34/384,280.20 = 69,198.84/x
  3. Step 3: Cross multiply
    256,187.34x = 384,280.20 × 69,198.84
  4. Step 4: Simplify right side
    256,187.34x = 26,591,744,074.97
  5. Step 5: Solve for x
    x = 26,591,744,074.97/256,187.34
  6. Step 6: Final answer
    x = 103,798.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.