Home / 157,515.70-236,273.55-107,749.30

Finding the Fourth Proportional to 157,515.70, 236,273.55 and 107,749.30

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Solution

The fourth proportional to 157,515.70, 236,273.55 and 107,749.30 is: 161,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,515.70 : 236,273.55 = 107,749.30 : x
  2. Step 2: Convert to fraction form
    157,515.70/236,273.55 = 107,749.30/x
  3. Step 3: Cross multiply
    157,515.70x = 236,273.55 × 107,749.30
  4. Step 4: Simplify right side
    157,515.70x = 25,458,309,621.02
  5. Step 5: Solve for x
    x = 25,458,309,621.02/157,515.70
  6. Step 6: Final answer
    x = 161,623.95

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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.