Home / 304,933.67-420,802.18-168,966.43

Finding the Fourth Proportional to 304,933.67, 420,802.18 and 168,966.43

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Solution

The fourth proportional to 304,933.67, 420,802.18 and 168,966.43 is: 233,170.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,933.67 : 420,802.18 = 168,966.43 : x
  2. Step 2: Convert to fraction form
    304,933.67/420,802.18 = 168,966.43/x
  3. Step 3: Cross multiply
    304,933.67x = 420,802.18 × 168,966.43
  4. Step 4: Simplify right side
    304,933.67x = 71,101,442,090.82
  5. Step 5: Solve for x
    x = 71,101,442,090.82/304,933.67
  6. Step 6: Final answer
    x = 233,170.19

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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.