Home / 116,142.56-160,335.96-82,177.64

Finding the Fourth Proportional to 116,142.56, 160,335.96 and 82,177.64

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Solution

The fourth proportional to 116,142.56, 160,335.96 and 82,177.64 is: 113,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,142.56 : 160,335.96 = 82,177.64 : x
  2. Step 2: Convert to fraction form
    116,142.56/160,335.96 = 82,177.64/x
  3. Step 3: Cross multiply
    116,142.56x = 160,335.96 × 82,177.64
  4. Step 4: Simplify right side
    116,142.56x = 13,176,030,799.93
  5. Step 5: Solve for x
    x = 13,176,030,799.93/116,142.56
  6. Step 6: Final answer
    x = 113,447.05

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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.