Home / 157,380.37-236,140.26-82,482.61

Finding the Fourth Proportional to 157,380.37, 236,140.26 and 82,482.61

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Solution

The fourth proportional to 157,380.37, 236,140.26 and 82,482.61 is: 123,760.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,380.37 : 236,140.26 = 82,482.61 : x
  2. Step 2: Convert to fraction form
    157,380.37/236,140.26 = 82,482.61/x
  3. Step 3: Cross multiply
    157,380.37x = 236,140.26 × 82,482.61
  4. Step 4: Simplify right side
    157,380.37x = 19,477,463,790.18
  5. Step 5: Solve for x
    x = 19,477,463,790.18/157,380.37
  6. Step 6: Final answer
    x = 123,760.44

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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.