Home / 171,288.96-257,227.44-105,117.60

Finding the Fourth Proportional to 171,288.96, 257,227.44 and 105,117.60

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Solution

The fourth proportional to 171,288.96, 257,227.44 and 105,117.60 is: 157,856.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,288.96 : 257,227.44 = 105,117.60 : x
  2. Step 2: Convert to fraction form
    171,288.96/257,227.44 = 105,117.60/x
  3. Step 3: Cross multiply
    171,288.96x = 257,227.44 × 105,117.60
  4. Step 4: Simplify right side
    171,288.96x = 27,039,131,146.94
  5. Step 5: Solve for x
    x = 27,039,131,146.94/171,288.96
  6. Step 6: Final answer
    x = 157,856.82

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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.