Home / 226,573.53-312,636.45-131,089.11

Finding the Fourth Proportional to 226,573.53, 312,636.45 and 131,089.11

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Solution

The fourth proportional to 226,573.53, 312,636.45 and 131,089.11 is: 180,882.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,573.53 : 312,636.45 = 131,089.11 : x
  2. Step 2: Convert to fraction form
    226,573.53/312,636.45 = 131,089.11/x
  3. Step 3: Cross multiply
    226,573.53x = 312,636.45 × 131,089.11
  4. Step 4: Simplify right side
    226,573.53x = 40,983,233,984.06
  5. Step 5: Solve for x
    x = 40,983,233,984.06/226,573.53
  6. Step 6: Final answer
    x = 180,882.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.