Home / 107,069.87-160,373.57-100,781.42

Finding the Fourth Proportional to 107,069.87, 160,373.57 and 100,781.42

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Solution

The fourth proportional to 107,069.87, 160,373.57 and 100,781.42 is: 150,954.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,069.87 : 160,373.57 = 100,781.42 : x
  2. Step 2: Convert to fraction form
    107,069.87/160,373.57 = 100,781.42/x
  3. Step 3: Cross multiply
    107,069.87x = 160,373.57 × 100,781.42
  4. Step 4: Simplify right side
    107,069.87x = 16,162,674,809.29
  5. Step 5: Solve for x
    x = 16,162,674,809.29/107,069.87
  6. Step 6: Final answer
    x = 150,954.46

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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.