Home / 219,436.52-328,940.55-107,112.20

Finding the Fourth Proportional to 219,436.52, 328,940.55 and 107,112.20

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Solution

The fourth proportional to 219,436.52, 328,940.55 and 107,112.20 is: 160,563.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,436.52 : 328,940.55 = 107,112.20 : x
  2. Step 2: Convert to fraction form
    219,436.52/328,940.55 = 107,112.20/x
  3. Step 3: Cross multiply
    219,436.52x = 328,940.55 × 107,112.20
  4. Step 4: Simplify right side
    219,436.52x = 35,233,544,335.01
  5. Step 5: Solve for x
    x = 35,233,544,335.01/219,436.52
  6. Step 6: Final answer
    x = 160,563.73

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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.