Home / 275,829.14-413,712.73-76,177.91

Finding the Fourth Proportional to 275,829.14, 413,712.73 and 76,177.91

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Solution

The fourth proportional to 275,829.14, 413,712.73 and 76,177.91 is: 114,258.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,829.14 : 413,712.73 = 76,177.91 : x
  2. Step 2: Convert to fraction form
    275,829.14/413,712.73 = 76,177.91/x
  3. Step 3: Cross multiply
    275,829.14x = 413,712.73 × 76,177.91
  4. Step 4: Simplify right side
    275,829.14x = 31,515,771,111.79
  5. Step 5: Solve for x
    x = 31,515,771,111.79/275,829.14
  6. Step 6: Final answer
    x = 114,258.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.