Home / 171,614.20-257,158.14-78,010.60

Finding the Fourth Proportional to 171,614.20, 257,158.14 and 78,010.60

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Solution

The fourth proportional to 171,614.20, 257,158.14 and 78,010.60 is: 116,896.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,614.20 : 257,158.14 = 78,010.60 : x
  2. Step 2: Convert to fraction form
    171,614.20/257,158.14 = 78,010.60/x
  3. Step 3: Cross multiply
    171,614.20x = 257,158.14 × 78,010.60
  4. Step 4: Simplify right side
    171,614.20x = 20,061,060,796.28
  5. Step 5: Solve for x
    x = 20,061,060,796.28/171,614.20
  6. Step 6: Final answer
    x = 116,896.28

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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.