Home / 106,170.54-159,135.09-55,491.45

Finding the Fourth Proportional to 106,170.54, 159,135.09 and 55,491.45

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Solution

The fourth proportional to 106,170.54, 159,135.09 and 55,491.45 is: 83,174.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,170.54 : 159,135.09 = 55,491.45 : x
  2. Step 2: Convert to fraction form
    106,170.54/159,135.09 = 55,491.45/x
  3. Step 3: Cross multiply
    106,170.54x = 159,135.09 × 55,491.45
  4. Step 4: Simplify right side
    106,170.54x = 8,830,636,889.98
  5. Step 5: Solve for x
    x = 8,830,636,889.98/106,170.54
  6. Step 6: Final answer
    x = 83,174.08

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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.