Home / 384,174.11-530,229.67-229,135.35

Finding the Fourth Proportional to 384,174.11, 530,229.67 and 229,135.35

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Solution

The fourth proportional to 384,174.11, 530,229.67 and 229,135.35 is: 316,248.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,174.11 : 530,229.67 = 229,135.35 : x
  2. Step 2: Convert to fraction form
    384,174.11/530,229.67 = 229,135.35/x
  3. Step 3: Cross multiply
    384,174.11x = 530,229.67 × 229,135.35
  4. Step 4: Simplify right side
    384,174.11x = 121,494,361,015.84
  5. Step 5: Solve for x
    x = 121,494,361,015.84/384,174.11
  6. Step 6: Final answer
    x = 316,248.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.