Home / 302,819.15-417,909.38-166,853.04

Finding the Fourth Proportional to 302,819.15, 417,909.38 and 166,853.04

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Solution

The fourth proportional to 302,819.15, 417,909.38 and 166,853.04 is: 230,267.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,819.15 : 417,909.38 = 166,853.04 : x
  2. Step 2: Convert to fraction form
    302,819.15/417,909.38 = 166,853.04/x
  3. Step 3: Cross multiply
    302,819.15x = 417,909.38 × 166,853.04
  4. Step 4: Simplify right side
    302,819.15x = 69,729,449,663.25
  5. Step 5: Solve for x
    x = 69,729,449,663.25/302,819.15
  6. Step 6: Final answer
    x = 230,267.64

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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.