Home / 157,785.45-236,680.27-52,604.45

Finding the Fourth Proportional to 157,785.45, 236,680.27 and 52,604.45

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Solution

The fourth proportional to 157,785.45, 236,680.27 and 52,604.45 is: 78,907.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,785.45 : 236,680.27 = 52,604.45 : x
  2. Step 2: Convert to fraction form
    157,785.45/236,680.27 = 52,604.45/x
  3. Step 3: Cross multiply
    157,785.45x = 236,680.27 × 52,604.45
  4. Step 4: Simplify right side
    157,785.45x = 12,450,436,481.12
  5. Step 5: Solve for x
    x = 12,450,436,481.12/157,785.45
  6. Step 6: Final answer
    x = 78,907.38

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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.