Home / 148,491.18-204,650.07-108,141.06

Finding the Fourth Proportional to 148,491.18, 204,650.07 and 108,141.06

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Solution

The fourth proportional to 148,491.18, 204,650.07 and 108,141.06 is: 149,039.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,491.18 : 204,650.07 = 108,141.06 : x
  2. Step 2: Convert to fraction form
    148,491.18/204,650.07 = 108,141.06/x
  3. Step 3: Cross multiply
    148,491.18x = 204,650.07 × 108,141.06
  4. Step 4: Simplify right side
    148,491.18x = 22,131,075,498.87
  5. Step 5: Solve for x
    x = 22,131,075,498.87/148,491.18
  6. Step 6: Final answer
    x = 149,039.66

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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.