Home / 116,058.24-160,209.36-78,383.52

Finding the Fourth Proportional to 116,058.24, 160,209.36 and 78,383.52

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Solution

The fourth proportional to 116,058.24, 160,209.36 and 78,383.52 is: 108,202.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,058.24 : 160,209.36 = 78,383.52 : x
  2. Step 2: Convert to fraction form
    116,058.24/160,209.36 = 78,383.52/x
  3. Step 3: Cross multiply
    116,058.24x = 160,209.36 × 78,383.52
  4. Step 4: Simplify right side
    116,058.24x = 12,557,773,573.75
  5. Step 5: Solve for x
    x = 12,557,773,573.75/116,058.24
  6. Step 6: Final answer
    x = 108,202.34

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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.