Home / 116,481.28-160,693.56-74,017.02

Finding the Fourth Proportional to 116,481.28, 160,693.56 and 74,017.02

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Solution

The fourth proportional to 116,481.28, 160,693.56 and 74,017.02 is: 102,111.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,481.28 : 160,693.56 = 74,017.02 : x
  2. Step 2: Convert to fraction form
    116,481.28/160,693.56 = 74,017.02/x
  3. Step 3: Cross multiply
    116,481.28x = 160,693.56 × 74,017.02
  4. Step 4: Simplify right side
    116,481.28x = 11,894,058,444.39
  5. Step 5: Solve for x
    x = 11,894,058,444.39/116,481.28
  6. Step 6: Final answer
    x = 102,111.33

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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.