Home / 154,664.90-231,998.72-61,170.66

Finding the Fourth Proportional to 154,664.90, 231,998.72 and 61,170.66

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Solution

The fourth proportional to 154,664.90, 231,998.72 and 61,170.66 is: 91,756.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,664.90 : 231,998.72 = 61,170.66 : x
  2. Step 2: Convert to fraction form
    154,664.90/231,998.72 = 61,170.66/x
  3. Step 3: Cross multiply
    154,664.90x = 231,998.72 × 61,170.66
  4. Step 4: Simplify right side
    154,664.90x = 14,191,514,821.56
  5. Step 5: Solve for x
    x = 14,191,514,821.56/154,664.90
  6. Step 6: Final answer
    x = 91,756.53

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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.