Home / 251,066.39-376,624.38-82,518.35

Finding the Fourth Proportional to 251,066.39, 376,624.38 and 82,518.35

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Solution

The fourth proportional to 251,066.39, 376,624.38 and 82,518.35 is: 123,785.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,066.39 : 376,624.38 = 82,518.35 : x
  2. Step 2: Convert to fraction form
    251,066.39/376,624.38 = 82,518.35/x
  3. Step 3: Cross multiply
    251,066.39x = 376,624.38 × 82,518.35
  4. Step 4: Simplify right side
    251,066.39x = 31,078,420,833.69
  5. Step 5: Solve for x
    x = 31,078,420,833.69/251,066.39
  6. Step 6: Final answer
    x = 123,785.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.