Home / 123,176.87-169,983.37-69,462.33

Finding the Fourth Proportional to 123,176.87, 169,983.37 and 69,462.33

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Solution

The fourth proportional to 123,176.87, 169,983.37 and 69,462.33 is: 95,857.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,176.87 : 169,983.37 = 69,462.33 : x
  2. Step 2: Convert to fraction form
    123,176.87/169,983.37 = 69,462.33/x
  3. Step 3: Cross multiply
    123,176.87x = 169,983.37 × 69,462.33
  4. Step 4: Simplify right side
    123,176.87x = 11,807,440,941.45
  5. Step 5: Solve for x
    x = 11,807,440,941.45/123,176.87
  6. Step 6: Final answer
    x = 95,857.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.