Home / 154,102.10-231,153.15-106,567.66

Finding the Fourth Proportional to 154,102.10, 231,153.15 and 106,567.66

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Solution

The fourth proportional to 154,102.10, 231,153.15 and 106,567.66 is: 159,851.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,102.10 : 231,153.15 = 106,567.66 : x
  2. Step 2: Convert to fraction form
    154,102.10/231,153.15 = 106,567.66/x
  3. Step 3: Cross multiply
    154,102.10x = 231,153.15 × 106,567.66
  4. Step 4: Simplify right side
    154,102.10x = 24,633,449,141.36
  5. Step 5: Solve for x
    x = 24,633,449,141.36/154,102.10
  6. Step 6: Final answer
    x = 159,851.48

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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.