Home / 125,058.64-172,464.33-115,769.95

Finding the Fourth Proportional to 125,058.64, 172,464.33 and 115,769.95

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Solution

The fourth proportional to 125,058.64, 172,464.33 and 115,769.95 is: 159,654.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,058.64 : 172,464.33 = 115,769.95 : x
  2. Step 2: Convert to fraction form
    125,058.64/172,464.33 = 115,769.95/x
  3. Step 3: Cross multiply
    125,058.64x = 172,464.33 × 115,769.95
  4. Step 4: Simplify right side
    125,058.64x = 19,966,185,998.56
  5. Step 5: Solve for x
    x = 19,966,185,998.56/125,058.64
  6. Step 6: Final answer
    x = 159,654.59

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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.