Home / 304,534.06-420,257.80-168,577.38

Finding the Fourth Proportional to 304,534.06, 420,257.80 and 168,577.38

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Solution

The fourth proportional to 304,534.06, 420,257.80 and 168,577.38 is: 232,637.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,534.06 : 420,257.80 = 168,577.38 : x
  2. Step 2: Convert to fraction form
    304,534.06/420,257.80 = 168,577.38/x
  3. Step 3: Cross multiply
    304,534.06x = 420,257.80 × 168,577.38
  4. Step 4: Simplify right side
    304,534.06x = 70,845,958,848.56
  5. Step 5: Solve for x
    x = 70,845,958,848.56/304,534.06
  6. Step 6: Final answer
    x = 232,637.23

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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.