Home / 331,193.88-457,110.54-187,967.34

Finding the Fourth Proportional to 331,193.88, 457,110.54 and 187,967.34

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Solution

The fourth proportional to 331,193.88, 457,110.54 and 187,967.34 is: 259,430.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,193.88 : 457,110.54 = 187,967.34 : x
  2. Step 2: Convert to fraction form
    331,193.88/457,110.54 = 187,967.34/x
  3. Step 3: Cross multiply
    331,193.88x = 457,110.54 × 187,967.34
  4. Step 4: Simplify right side
    331,193.88x = 85,921,852,289.76
  5. Step 5: Solve for x
    x = 85,921,852,289.76/331,193.88
  6. Step 6: Final answer
    x = 259,430.68

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1.5x scale

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.