Home / 219,789.40-329,424.90-114,554.20

Finding the Fourth Proportional to 219,789.40, 329,424.90 and 114,554.20

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Solution

The fourth proportional to 219,789.40, 329,424.90 and 114,554.20 is: 171,696.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,789.40 : 329,424.90 = 114,554.20 : x
  2. Step 2: Convert to fraction form
    219,789.40/329,424.90 = 114,554.20/x
  3. Step 3: Cross multiply
    219,789.40x = 329,424.90 × 114,554.20
  4. Step 4: Simplify right side
    219,789.40x = 37,737,005,879.58
  5. Step 5: Solve for x
    x = 37,737,005,879.58/219,789.40
  6. Step 6: Final answer
    x = 171,696.21

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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.