Home / 160,177.60-221,091.22-105,769.50

Finding the Fourth Proportional to 160,177.60, 221,091.22 and 105,769.50

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Solution

The fourth proportional to 160,177.60, 221,091.22 and 105,769.50 is: 145,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,177.60 : 221,091.22 = 105,769.50 : x
  2. Step 2: Convert to fraction form
    160,177.60/221,091.22 = 105,769.50/x
  3. Step 3: Cross multiply
    160,177.60x = 221,091.22 × 105,769.50
  4. Step 4: Simplify right side
    160,177.60x = 23,384,707,793.79
  5. Step 5: Solve for x
    x = 23,384,707,793.79/160,177.60
  6. Step 6: Final answer
    x = 145,992.37

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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.