Home / 302,890.74-417,992.08-166,929.66

Finding the Fourth Proportional to 302,890.74, 417,992.08 and 166,929.66

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Solution

The fourth proportional to 302,890.74, 417,992.08 and 166,929.66 is: 230,364.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,890.74 : 417,992.08 = 166,929.66 : x
  2. Step 2: Convert to fraction form
    302,890.74/417,992.08 = 166,929.66/x
  3. Step 3: Cross multiply
    302,890.74x = 417,992.08 × 166,929.66
  4. Step 4: Simplify right side
    302,890.74x = 69,775,275,797.09
  5. Step 5: Solve for x
    x = 69,775,275,797.09/302,890.74
  6. Step 6: Final answer
    x = 230,364.51

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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.