Home / 171,208.80-256,856.94-65,999.52

Finding the Fourth Proportional to 171,208.80, 256,856.94 and 65,999.52

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Solution

The fourth proportional to 171,208.80, 256,856.94 and 65,999.52 is: 99,016.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,208.80 : 256,856.94 = 65,999.52 : x
  2. Step 2: Convert to fraction form
    171,208.80/256,856.94 = 65,999.52/x
  3. Step 3: Cross multiply
    171,208.80x = 256,856.94 × 65,999.52
  4. Step 4: Simplify right side
    171,208.80x = 16,952,434,748.67
  5. Step 5: Solve for x
    x = 16,952,434,748.67/171,208.80
  6. Step 6: Final answer
    x = 99,016.14

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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.