Home / 331,289.74-457,059.76-187,966.77

Finding the Fourth Proportional to 331,289.74, 457,059.76 and 187,966.77

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Solution

The fourth proportional to 331,289.74, 457,059.76 and 187,966.77 is: 259,326.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,289.74 : 457,059.76 = 187,966.77 : x
  2. Step 2: Convert to fraction form
    331,289.74/457,059.76 = 187,966.77/x
  3. Step 3: Cross multiply
    331,289.74x = 457,059.76 × 187,966.77
  4. Step 4: Simplify right side
    331,289.74x = 85,912,046,784.18
  5. Step 5: Solve for x
    x = 85,912,046,784.18/331,289.74
  6. Step 6: Final answer
    x = 259,326.01

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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.