Home / 155,131.16-232,893.66-131,905.22

Finding the Fourth Proportional to 155,131.16, 232,893.66 and 131,905.22

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Solution

The fourth proportional to 155,131.16, 232,893.66 and 131,905.22 is: 198,025.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,131.16 : 232,893.66 = 131,905.22 : x
  2. Step 2: Convert to fraction form
    155,131.16/232,893.66 = 131,905.22/x
  3. Step 3: Cross multiply
    155,131.16x = 232,893.66 × 131,905.22
  4. Step 4: Simplify right side
    155,131.16x = 30,719,889,458.91
  5. Step 5: Solve for x
    x = 30,719,889,458.91/155,131.16
  6. Step 6: Final answer
    x = 198,025.27

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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.