Home / 109,475.12-164,212.76-26,369.20

Finding the Fourth Proportional to 109,475.12, 164,212.76 and 26,369.20

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Solution

The fourth proportional to 109,475.12, 164,212.76 and 26,369.20 is: 39,553.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,475.12 : 164,212.76 = 26,369.20 : x
  2. Step 2: Convert to fraction form
    109,475.12/164,212.76 = 26,369.20/x
  3. Step 3: Cross multiply
    109,475.12x = 164,212.76 × 26,369.20
  4. Step 4: Simplify right side
    109,475.12x = 4,330,159,110.99
  5. Step 5: Solve for x
    x = 4,330,159,110.99/109,475.12
  6. Step 6: Final answer
    x = 39,553.82

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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.