Home / 154,469.10-231,703.65-124,401.90

Finding the Fourth Proportional to 154,469.10, 231,703.65 and 124,401.90

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Solution

The fourth proportional to 154,469.10, 231,703.65 and 124,401.90 is: 186,602.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,469.10 : 231,703.65 = 124,401.90 : x
  2. Step 2: Convert to fraction form
    154,469.10/231,703.65 = 124,401.90/x
  3. Step 3: Cross multiply
    154,469.10x = 231,703.65 × 124,401.90
  4. Step 4: Simplify right side
    154,469.10x = 28,824,374,296.94
  5. Step 5: Solve for x
    x = 28,824,374,296.94/154,469.10
  6. Step 6: Final answer
    x = 186,602.85

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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.