Home / 323,731.91-446,782.70-187,807.43

Finding the Fourth Proportional to 323,731.91, 446,782.70 and 187,807.43

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Solution

The fourth proportional to 323,731.91, 446,782.70 and 187,807.43 is: 259,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,731.91 : 446,782.70 = 187,807.43 : x
  2. Step 2: Convert to fraction form
    323,731.91/446,782.70 = 187,807.43/x
  3. Step 3: Cross multiply
    323,731.91x = 446,782.70 × 187,807.43
  4. Step 4: Simplify right side
    323,731.91x = 83,909,110,655.46
  5. Step 5: Solve for x
    x = 83,909,110,655.46/323,731.91
  6. Step 6: Final answer
    x = 259,193.20

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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.