Home / 302,697.20-417,724.98-166,731.68

Finding the Fourth Proportional to 302,697.20, 417,724.98 and 166,731.68

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Solution

The fourth proportional to 302,697.20, 417,724.98 and 166,731.68 is: 230,091.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,697.20 : 417,724.98 = 166,731.68 : x
  2. Step 2: Convert to fraction form
    302,697.20/417,724.98 = 166,731.68/x
  3. Step 3: Cross multiply
    302,697.20x = 417,724.98 × 166,731.68
  4. Step 4: Simplify right side
    302,697.20x = 69,647,987,693.37
  5. Step 5: Solve for x
    x = 69,647,987,693.37/302,697.20
  6. Step 6: Final answer
    x = 230,091.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.