Home / 217,950.95-326,917.54-75,828.76

Finding the Fourth Proportional to 217,950.95, 326,917.54 and 75,828.76

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Solution

The fourth proportional to 217,950.95, 326,917.54 and 75,828.76 is: 113,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,950.95 : 326,917.54 = 75,828.76 : x
  2. Step 2: Convert to fraction form
    217,950.95/326,917.54 = 75,828.76/x
  3. Step 3: Cross multiply
    217,950.95x = 326,917.54 × 75,828.76
  4. Step 4: Simplify right side
    217,950.95x = 24,789,751,171.21
  5. Step 5: Solve for x
    x = 24,789,751,171.21/217,950.95
  6. Step 6: Final answer
    x = 113,740.05

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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.