Home / 226,973.28-313,120.72-154,287.12

Finding the Fourth Proportional to 226,973.28, 313,120.72 and 154,287.12

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Solution

The fourth proportional to 226,973.28, 313,120.72 and 154,287.12 is: 212,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,973.28 : 313,120.72 = 154,287.12 : x
  2. Step 2: Convert to fraction form
    226,973.28/313,120.72 = 154,287.12/x
  3. Step 3: Cross multiply
    226,973.28x = 313,120.72 × 154,287.12
  4. Step 4: Simplify right side
    226,973.28x = 48,310,494,101.13
  5. Step 5: Solve for x
    x = 48,310,494,101.13/226,973.28
  6. Step 6: Final answer
    x = 212,846.61

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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.