Home / 226,631.34-312,732.18-131,144.22

Finding the Fourth Proportional to 226,631.34, 312,732.18 and 131,144.22

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Solution

The fourth proportional to 226,631.34, 312,732.18 and 131,144.22 is: 180,967.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,631.34 : 312,732.18 = 131,144.22 : x
  2. Step 2: Convert to fraction form
    226,631.34/312,732.18 = 131,144.22/x
  3. Step 3: Cross multiply
    226,631.34x = 312,732.18 × 131,144.22
  4. Step 4: Simplify right side
    226,631.34x = 41,013,017,815.00
  5. Step 5: Solve for x
    x = 41,013,017,815.00/226,631.34
  6. Step 6: Final answer
    x = 180,967.99

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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.