Home / 171,056.10-256,625.88-120,553.59

Finding the Fourth Proportional to 171,056.10, 256,625.88 and 120,553.59

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Solution

The fourth proportional to 171,056.10, 256,625.88 and 120,553.59 is: 180,859.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,056.10 : 256,625.88 = 120,553.59 : x
  2. Step 2: Convert to fraction form
    171,056.10/256,625.88 = 120,553.59/x
  3. Step 3: Cross multiply
    171,056.10x = 256,625.88 × 120,553.59
  4. Step 4: Simplify right side
    171,056.10x = 30,937,171,120.91
  5. Step 5: Solve for x
    x = 30,937,171,120.91/171,056.10
  6. Step 6: Final answer
    x = 180,859.79

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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.