Home / 109,430.38-164,145.57-26,324.38

Finding the Fourth Proportional to 109,430.38, 164,145.57 and 26,324.38

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Solution

The fourth proportional to 109,430.38, 164,145.57 and 26,324.38 is: 39,486.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,430.38 : 164,145.57 = 26,324.38 : x
  2. Step 2: Convert to fraction form
    109,430.38/164,145.57 = 26,324.38/x
  3. Step 3: Cross multiply
    109,430.38x = 164,145.57 × 26,324.38
  4. Step 4: Simplify right side
    109,430.38x = 4,321,030,360.00
  5. Step 5: Solve for x
    x = 4,321,030,360.00/109,430.38
  6. Step 6: Final answer
    x = 39,486.57

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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.