Home / 302,949.60-418,051.43-166,976.06

Finding the Fourth Proportional to 302,949.60, 418,051.43 and 166,976.06

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Solution

The fourth proportional to 302,949.60, 418,051.43 and 166,976.06 is: 230,416.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,949.60 : 418,051.43 = 166,976.06 : x
  2. Step 2: Convert to fraction form
    302,949.60/418,051.43 = 166,976.06/x
  3. Step 3: Cross multiply
    302,949.60x = 418,051.43 × 166,976.06
  4. Step 4: Simplify right side
    302,949.60x = 69,804,579,927.48
  5. Step 5: Solve for x
    x = 69,804,579,927.48/302,949.60
  6. Step 6: Final answer
    x = 230,416.48

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1.5x scale

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.