Home / 219,963.10-329,944.65-163,975.90

Finding the Fourth Proportional to 219,963.10, 329,944.65 and 163,975.90

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Solution

The fourth proportional to 219,963.10, 329,944.65 and 163,975.90 is: 245,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,963.10 : 329,944.65 = 163,975.90 : x
  2. Step 2: Convert to fraction form
    219,963.10/329,944.65 = 163,975.90/x
  3. Step 3: Cross multiply
    219,963.10x = 329,944.65 × 163,975.90
  4. Step 4: Simplify right side
    219,963.10x = 54,102,970,933.94
  5. Step 5: Solve for x
    x = 54,102,970,933.94/219,963.10
  6. Step 6: Final answer
    x = 245,963.85

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1.5x scale

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.