Home / 226,200.48-312,142.86-124,206.09

Finding the Fourth Proportional to 226,200.48, 312,142.86 and 124,206.09

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Solution

The fourth proportional to 226,200.48, 312,142.86 and 124,206.09 is: 171,396.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,200.48 : 312,142.86 = 124,206.09 : x
  2. Step 2: Convert to fraction form
    226,200.48/312,142.86 = 124,206.09/x
  3. Step 3: Cross multiply
    226,200.48x = 312,142.86 × 124,206.09
  4. Step 4: Simplify right side
    226,200.48x = 38,770,044,162.02
  5. Step 5: Solve for x
    x = 38,770,044,162.02/226,200.48
  6. Step 6: Final answer
    x = 171,396.83

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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.