Home / 154,650.22-231,918.43-53,422.52

Finding the Fourth Proportional to 154,650.22, 231,918.43 and 53,422.52

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Solution

The fourth proportional to 154,650.22, 231,918.43 and 53,422.52 is: 80,114.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,650.22 : 231,918.43 = 53,422.52 : x
  2. Step 2: Convert to fraction form
    154,650.22/231,918.43 = 53,422.52/x
  3. Step 3: Cross multiply
    154,650.22x = 231,918.43 × 53,422.52
  4. Step 4: Simplify right side
    154,650.22x = 12,389,666,965.04
  5. Step 5: Solve for x
    x = 12,389,666,965.04/154,650.22
  6. Step 6: Final answer
    x = 80,114.12

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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.