Home / 157,636.78-236,411.41-43,758.43

Finding the Fourth Proportional to 157,636.78, 236,411.41 and 43,758.43

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Solution

The fourth proportional to 157,636.78, 236,411.41 and 43,758.43 is: 65,625.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,636.78 : 236,411.41 = 43,758.43 : x
  2. Step 2: Convert to fraction form
    157,636.78/236,411.41 = 43,758.43/x
  3. Step 3: Cross multiply
    157,636.78x = 236,411.41 × 43,758.43
  4. Step 4: Simplify right side
    157,636.78x = 10,344,991,517.31
  5. Step 5: Solve for x
    x = 10,344,991,517.31/157,636.78
  6. Step 6: Final answer
    x = 65,625.49

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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.