Home / 110,299.15-165,445.21-65,626.57

Finding the Fourth Proportional to 110,299.15, 165,445.21 and 65,626.57

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Solution

The fourth proportional to 110,299.15, 165,445.21 and 65,626.57 is: 98,437.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,299.15 : 165,445.21 = 65,626.57 : x
  2. Step 2: Convert to fraction form
    110,299.15/165,445.21 = 65,626.57/x
  3. Step 3: Cross multiply
    110,299.15x = 165,445.21 × 65,626.57
  4. Step 4: Simplify right side
    110,299.15x = 10,857,600,499.87
  5. Step 5: Solve for x
    x = 10,857,600,499.87/110,299.15
  6. Step 6: Final answer
    x = 98,437.76

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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.