Home / 354,401.12-531,951.60-154,859.24

Finding the Fourth Proportional to 354,401.12, 531,951.60 and 154,859.24

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Solution

The fourth proportional to 354,401.12, 531,951.60 and 154,859.24 is: 232,441.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,401.12 : 531,951.60 = 154,859.24 : x
  2. Step 2: Convert to fraction form
    354,401.12/531,951.60 = 154,859.24/x
  3. Step 3: Cross multiply
    354,401.12x = 531,951.60 × 154,859.24
  4. Step 4: Simplify right side
    354,401.12x = 82,377,617,058.73
  5. Step 5: Solve for x
    x = 82,377,617,058.73/354,401.12
  6. Step 6: Final answer
    x = 232,441.75

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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.