Home / 226,923.42-313,196.32-131,430.09

Finding the Fourth Proportional to 226,923.42, 313,196.32 and 131,430.09

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Solution

The fourth proportional to 226,923.42, 313,196.32 and 131,430.09 is: 181,397.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,923.42 : 313,196.32 = 131,430.09 : x
  2. Step 2: Convert to fraction form
    226,923.42/313,196.32 = 131,430.09/x
  3. Step 3: Cross multiply
    226,923.42x = 313,196.32 × 131,430.09
  4. Step 4: Simplify right side
    226,923.42x = 41,163,421,864.04
  5. Step 5: Solve for x
    x = 41,163,421,864.04/226,923.42
  6. Step 6: Final answer
    x = 181,397.85

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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.