Home / 116,178.29-160,197.96-80,306.02

Finding the Fourth Proportional to 116,178.29, 160,197.96 and 80,306.02

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Solution

The fourth proportional to 116,178.29, 160,197.96 and 80,306.02 is: 110,733.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,178.29 : 160,197.96 = 80,306.02 : x
  2. Step 2: Convert to fraction form
    116,178.29/160,197.96 = 80,306.02/x
  3. Step 3: Cross multiply
    116,178.29x = 160,197.96 × 80,306.02
  4. Step 4: Simplify right side
    116,178.29x = 12,864,860,179.22
  5. Step 5: Solve for x
    x = 12,864,860,179.22/116,178.29
  6. Step 6: Final answer
    x = 110,733.78

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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.