Home / 171,208.30-256,856.19-65,999.02

Finding the Fourth Proportional to 171,208.30, 256,856.19 and 65,999.02

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Solution

The fourth proportional to 171,208.30, 256,856.19 and 65,999.02 is: 99,015.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,208.30 : 256,856.19 = 65,999.02 : x
  2. Step 2: Convert to fraction form
    171,208.30/256,856.19 = 65,999.02/x
  3. Step 3: Cross multiply
    171,208.30x = 256,856.19 × 65,999.02
  4. Step 4: Simplify right side
    171,208.30x = 16,952,256,820.93
  5. Step 5: Solve for x
    x = 16,952,256,820.93/171,208.30
  6. Step 6: Final answer
    x = 99,015.39

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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.