Home / 226,655.82-312,785.62-124,691.67

Finding the Fourth Proportional to 226,655.82, 312,785.62 and 124,691.67

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Solution

The fourth proportional to 226,655.82, 312,785.62 and 124,691.67 is: 172,074.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,655.82 : 312,785.62 = 124,691.67 : x
  2. Step 2: Convert to fraction form
    226,655.82/312,785.62 = 124,691.67/x
  3. Step 3: Cross multiply
    226,655.82x = 312,785.62 × 124,691.67
  4. Step 4: Simplify right side
    226,655.82x = 39,001,760,998.06
  5. Step 5: Solve for x
    x = 39,001,760,998.06/226,655.82
  6. Step 6: Final answer
    x = 172,074.83

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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.