Home / 302,175.86-417,010.55-166,213.31

Finding the Fourth Proportional to 302,175.86, 417,010.55 and 166,213.31

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Solution

The fourth proportional to 302,175.86, 417,010.55 and 166,213.31 is: 229,378.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,175.86 : 417,010.55 = 166,213.31 : x
  2. Step 2: Convert to fraction form
    302,175.86/417,010.55 = 166,213.31/x
  3. Step 3: Cross multiply
    302,175.86x = 417,010.55 × 166,213.31
  4. Step 4: Simplify right side
    302,175.86x = 69,312,700,904.30
  5. Step 5: Solve for x
    x = 69,312,700,904.30/302,175.86
  6. Step 6: Final answer
    x = 229,378.69

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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.