Home / 107,188.80-160,806.30-36,118.56

Finding the Fourth Proportional to 107,188.80, 160,806.30 and 36,118.56

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Solution

The fourth proportional to 107,188.80, 160,806.30 and 36,118.56 is: 54,185.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,188.80 : 160,806.30 = 36,118.56 : x
  2. Step 2: Convert to fraction form
    107,188.80/160,806.30 = 36,118.56/x
  3. Step 3: Cross multiply
    107,188.80x = 160,806.30 × 36,118.56
  4. Step 4: Simplify right side
    107,188.80x = 5,808,091,994.93
  5. Step 5: Solve for x
    x = 5,808,091,994.93/107,188.80
  6. Step 6: Final answer
    x = 54,185.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.