Home / 157,789.90-236,802.41-115,778.54

Finding the Fourth Proportional to 157,789.90, 236,802.41 and 115,778.54

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Solution

The fourth proportional to 157,789.90, 236,802.41 and 115,778.54 is: 173,754.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,789.90 : 236,802.41 = 115,778.54 : x
  2. Step 2: Convert to fraction form
    157,789.90/236,802.41 = 115,778.54/x
  3. Step 3: Cross multiply
    157,789.90x = 236,802.41 × 115,778.54
  4. Step 4: Simplify right side
    157,789.90x = 27,416,637,745.56
  5. Step 5: Solve for x
    x = 27,416,637,745.56/157,789.90
  6. Step 6: Final answer
    x = 173,754.07

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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.