Home / 252,296.50-378,334.88-72,342.22

Finding the Fourth Proportional to 252,296.50, 378,334.88 and 72,342.22

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Solution

The fourth proportional to 252,296.50, 378,334.88 and 72,342.22 is: 108,481.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,296.50 : 378,334.88 = 72,342.22 : x
  2. Step 2: Convert to fraction form
    252,296.50/378,334.88 = 72,342.22/x
  3. Step 3: Cross multiply
    252,296.50x = 378,334.88 × 72,342.22
  4. Step 4: Simplify right side
    252,296.50x = 27,369,585,122.63
  5. Step 5: Solve for x
    x = 27,369,585,122.63/252,296.50
  6. Step 6: Final answer
    x = 108,481.83

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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.