Home / 107,356.94-160,786.18-103,620.35

Finding the Fourth Proportional to 107,356.94, 160,786.18 and 103,620.35

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Solution

The fourth proportional to 107,356.94, 160,786.18 and 103,620.35 is: 155,189.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,356.94 : 160,786.18 = 103,620.35 : x
  2. Step 2: Convert to fraction form
    107,356.94/160,786.18 = 103,620.35/x
  3. Step 3: Cross multiply
    107,356.94x = 160,786.18 × 103,620.35
  4. Step 4: Simplify right side
    107,356.94x = 16,660,720,246.76
  5. Step 5: Solve for x
    x = 16,660,720,246.76/107,356.94
  6. Step 6: Final answer
    x = 155,189.97

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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.