Home / 219,194.80-328,792.20-125,623.60

Finding the Fourth Proportional to 219,194.80, 328,792.20 and 125,623.60

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Solution

The fourth proportional to 219,194.80, 328,792.20 and 125,623.60 is: 188,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,194.80 : 328,792.20 = 125,623.60 : x
  2. Step 2: Convert to fraction form
    219,194.80/328,792.20 = 125,623.60/x
  3. Step 3: Cross multiply
    219,194.80x = 328,792.20 × 125,623.60
  4. Step 4: Simplify right side
    219,194.80x = 41,304,059,815.92
  5. Step 5: Solve for x
    x = 41,304,059,815.92/219,194.80
  6. Step 6: Final answer
    x = 188,435.40

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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.