Home / 323,848.40-446,731.08-189,686.48

Finding the Fourth Proportional to 323,848.40, 446,731.08 and 189,686.48

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Solution

The fourth proportional to 323,848.40, 446,731.08 and 189,686.48 is: 261,662.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,848.40 : 446,731.08 = 189,686.48 : x
  2. Step 2: Convert to fraction form
    323,848.40/446,731.08 = 189,686.48/x
  3. Step 3: Cross multiply
    323,848.40x = 446,731.08 × 189,686.48
  4. Step 4: Simplify right side
    323,848.40x = 84,738,846,071.80
  5. Step 5: Solve for x
    x = 84,738,846,071.80/323,848.40
  6. Step 6: Final answer
    x = 261,662.08

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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.