Home / 170,928.37-256,416.85-52,609.57

Finding the Fourth Proportional to 170,928.37, 256,416.85 and 52,609.57

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Solution

The fourth proportional to 170,928.37, 256,416.85 and 52,609.57 is: 78,921.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,928.37 : 256,416.85 = 52,609.57 : x
  2. Step 2: Convert to fraction form
    170,928.37/256,416.85 = 52,609.57/x
  3. Step 3: Cross multiply
    170,928.37x = 256,416.85 × 52,609.57
  4. Step 4: Simplify right side
    170,928.37x = 13,489,980,219.25
  5. Step 5: Solve for x
    x = 13,489,980,219.25/170,928.37
  6. Step 6: Final answer
    x = 78,921.83

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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.