Home / 226,814.13-312,873.12-141,783.57

Finding the Fourth Proportional to 226,814.13, 312,873.12 and 141,783.57

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Solution

The fourth proportional to 226,814.13, 312,873.12 and 141,783.57 is: 195,579.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,814.13 : 312,873.12 = 141,783.57 : x
  2. Step 2: Convert to fraction form
    226,814.13/312,873.12 = 141,783.57/x
  3. Step 3: Cross multiply
    226,814.13x = 312,873.12 × 141,783.57
  4. Step 4: Simplify right side
    226,814.13x = 44,360,267,910.64
  5. Step 5: Solve for x
    x = 44,360,267,910.64/226,814.13
  6. Step 6: Final answer
    x = 195,579.83

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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.