Home / 115,292.99-171,793.31-102,716.37

Finding the Fourth Proportional to 115,292.99, 171,793.31 and 102,716.37

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Solution

The fourth proportional to 115,292.99, 171,793.31 and 102,716.37 is: 153,053.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,292.99 : 171,793.31 = 102,716.37 : x
  2. Step 2: Convert to fraction form
    115,292.99/171,793.31 = 102,716.37/x
  3. Step 3: Cross multiply
    115,292.99x = 171,793.31 × 102,716.37
  4. Step 4: Simplify right side
    115,292.99x = 17,645,985,709.31
  5. Step 5: Solve for x
    x = 17,645,985,709.31/115,292.99
  6. Step 6: Final answer
    x = 153,053.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.