Home / 323,320.40-446,181.96-187,433.28

Finding the Fourth Proportional to 323,320.40, 446,181.96 and 187,433.28

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Solution

The fourth proportional to 323,320.40, 446,181.96 and 187,433.28 is: 258,657.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,320.40 : 446,181.96 = 187,433.28 : x
  2. Step 2: Convert to fraction form
    323,320.40/446,181.96 = 187,433.28/x
  3. Step 3: Cross multiply
    323,320.40x = 446,181.96 × 187,433.28
  4. Step 4: Simplify right side
    323,320.40x = 83,629,348,239.63
  5. Step 5: Solve for x
    x = 83,629,348,239.63/323,320.40
  6. Step 6: Final answer
    x = 258,657.82

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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.