Home / 101,188.85-151,782.58-26,308.70

Finding the Fourth Proportional to 101,188.85, 151,782.58 and 26,308.70

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Solution

The fourth proportional to 101,188.85, 151,782.58 and 26,308.70 is: 39,462.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,188.85 : 151,782.58 = 26,308.70 : x
  2. Step 2: Convert to fraction form
    101,188.85/151,782.58 = 26,308.70/x
  3. Step 3: Cross multiply
    101,188.85x = 151,782.58 × 26,308.70
  4. Step 4: Simplify right side
    101,188.85x = 3,993,202,279.60
  5. Step 5: Solve for x
    x = 3,993,202,279.60/101,188.85
  6. Step 6: Final answer
    x = 39,462.87

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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.