Home / 304,997.04-420,895.35-167,175.90

Finding the Fourth Proportional to 304,997.04, 420,895.35 and 167,175.90

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Solution

The fourth proportional to 304,997.04, 420,895.35 and 167,175.90 is: 230,702.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,997.04 : 420,895.35 = 167,175.90 : x
  2. Step 2: Convert to fraction form
    304,997.04/420,895.35 = 167,175.90/x
  3. Step 3: Cross multiply
    304,997.04x = 420,895.35 × 167,175.90
  4. Step 4: Simplify right side
    304,997.04x = 70,363,558,942.07
  5. Step 5: Solve for x
    x = 70,363,558,942.07/304,997.04
  6. Step 6: Final answer
    x = 230,702.43

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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.