Home / 225,905.22-338,748.71-131,159.23

Finding the Fourth Proportional to 225,905.22, 338,748.71 and 131,159.23

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Solution

The fourth proportional to 225,905.22, 338,748.71 and 131,159.23 is: 196,675.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,905.22 : 338,748.71 = 131,159.23 : x
  2. Step 2: Convert to fraction form
    225,905.22/338,748.71 = 131,159.23/x
  3. Step 3: Cross multiply
    225,905.22x = 338,748.71 × 131,159.23
  4. Step 4: Simplify right side
    225,905.22x = 44,430,018,464.43
  5. Step 5: Solve for x
    x = 44,430,018,464.43/225,905.22
  6. Step 6: Final answer
    x = 196,675.48

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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.