Home / 304,936.55-420,821.66-168,957.77

Finding the Fourth Proportional to 304,936.55, 420,821.66 and 168,957.77

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Solution

The fourth proportional to 304,936.55, 420,821.66 and 168,957.77 is: 233,166.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,936.55 : 420,821.66 = 168,957.77 : x
  2. Step 2: Convert to fraction form
    304,936.55/420,821.66 = 168,957.77/x
  3. Step 3: Cross multiply
    304,936.55x = 420,821.66 × 168,957.77
  4. Step 4: Simplify right side
    304,936.55x = 71,101,089,448.56
  5. Step 5: Solve for x
    x = 71,101,089,448.56/304,936.55
  6. Step 6: Final answer
    x = 233,166.84

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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.