Home / 219,895.10-329,842.65-163,907.90

Finding the Fourth Proportional to 219,895.10, 329,842.65 and 163,907.90

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Solution

The fourth proportional to 219,895.10, 329,842.65 and 163,907.90 is: 245,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,895.10 : 329,842.65 = 163,907.90 : x
  2. Step 2: Convert to fraction form
    219,895.10/329,842.65 = 163,907.90/x
  3. Step 3: Cross multiply
    219,895.10x = 329,842.65 × 163,907.90
  4. Step 4: Simplify right side
    219,895.10x = 54,063,816,091.94
  5. Step 5: Solve for x
    x = 54,063,816,091.94/219,895.10
  6. Step 6: Final answer
    x = 245,861.85

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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.