Home / 116,666.22-160,990.14-68,910.66

Finding the Fourth Proportional to 116,666.22, 160,990.14 and 68,910.66

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Solution

The fourth proportional to 116,666.22, 160,990.14 and 68,910.66 is: 95,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,666.22 : 160,990.14 = 68,910.66 : x
  2. Step 2: Convert to fraction form
    116,666.22/160,990.14 = 68,910.66/x
  3. Step 3: Cross multiply
    116,666.22x = 160,990.14 × 68,910.66
  4. Step 4: Simplify right side
    116,666.22x = 11,093,936,800.89
  5. Step 5: Solve for x
    x = 11,093,936,800.89/116,666.22
  6. Step 6: Final answer
    x = 95,091.25

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1.5x scale

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.