Home / 107,273.14-160,917.39-28,386.43

Finding the Fourth Proportional to 107,273.14, 160,917.39 and 28,386.43

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Solution

The fourth proportional to 107,273.14, 160,917.39 and 28,386.43 is: 42,581.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,273.14 : 160,917.39 = 28,386.43 : x
  2. Step 2: Convert to fraction form
    107,273.14/160,917.39 = 28,386.43/x
  3. Step 3: Cross multiply
    107,273.14x = 160,917.39 × 28,386.43
  4. Step 4: Simplify right side
    107,273.14x = 4,567,869,824.72
  5. Step 5: Solve for x
    x = 4,567,869,824.72/107,273.14
  6. Step 6: Final answer
    x = 42,581.67

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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.