Home / 169,285.20-253,992.60-166,628.40

Finding the Fourth Proportional to 169,285.20, 253,992.60 and 166,628.40

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Solution

The fourth proportional to 169,285.20, 253,992.60 and 166,628.40 is: 250,006.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,285.20 : 253,992.60 = 166,628.40 : x
  2. Step 2: Convert to fraction form
    169,285.20/253,992.60 = 166,628.40/x
  3. Step 3: Cross multiply
    169,285.20x = 253,992.60 × 166,628.40
  4. Step 4: Simplify right side
    169,285.20x = 42,322,380,549.84
  5. Step 5: Solve for x
    x = 42,322,380,549.84/169,285.20
  6. Step 6: Final answer
    x = 250,006.38

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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.