Home / 226,239.72-312,213.38-124,267.57

Finding the Fourth Proportional to 226,239.72, 312,213.38 and 124,267.57

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Solution

The fourth proportional to 226,239.72, 312,213.38 and 124,267.57 is: 171,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,239.72 : 312,213.38 = 124,267.57 : x
  2. Step 2: Convert to fraction form
    226,239.72/312,213.38 = 124,267.57/x
  3. Step 3: Cross multiply
    226,239.72x = 312,213.38 × 124,267.57
  4. Step 4: Simplify right side
    226,239.72x = 38,797,998,054.09
  5. Step 5: Solve for x
    x = 38,797,998,054.09/226,239.72
  6. Step 6: Final answer
    x = 171,490.66

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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.