Home / 100,682.72-151,023.38-34,169.67

Finding the Fourth Proportional to 100,682.72, 151,023.38 and 34,169.67

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Solution

The fourth proportional to 100,682.72, 151,023.38 and 34,169.67 is: 51,254.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,682.72 : 151,023.38 = 34,169.67 : x
  2. Step 2: Convert to fraction form
    100,682.72/151,023.38 = 34,169.67/x
  3. Step 3: Cross multiply
    100,682.72x = 151,023.38 × 34,169.67
  4. Step 4: Simplify right side
    100,682.72x = 5,160,418,886.04
  5. Step 5: Solve for x
    x = 5,160,418,886.04/100,682.72
  6. Step 6: Final answer
    x = 51,254.27

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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.