Home / 155,629.22-233,516.73-76,700.39

Finding the Fourth Proportional to 155,629.22, 233,516.73 and 76,700.39

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Solution

The fourth proportional to 155,629.22, 233,516.73 and 76,700.39 is: 115,086.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,629.22 : 233,516.73 = 76,700.39 : x
  2. Step 2: Convert to fraction form
    155,629.22/233,516.73 = 76,700.39/x
  3. Step 3: Cross multiply
    155,629.22x = 233,516.73 × 76,700.39
  4. Step 4: Simplify right side
    155,629.22x = 17,910,823,094.94
  5. Step 5: Solve for x
    x = 17,910,823,094.94/155,629.22
  6. Step 6: Final answer
    x = 115,086.51

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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.