Home / 136,106.88-187,826.49-75,677.04

Finding the Fourth Proportional to 136,106.88, 187,826.49 and 75,677.04

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Solution

The fourth proportional to 136,106.88, 187,826.49 and 75,677.04 is: 104,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,106.88 : 187,826.49 = 75,677.04 : x
  2. Step 2: Convert to fraction form
    136,106.88/187,826.49 = 75,677.04/x
  3. Step 3: Cross multiply
    136,106.88x = 187,826.49 × 75,677.04
  4. Step 4: Simplify right side
    136,106.88x = 14,214,152,796.79
  5. Step 5: Solve for x
    x = 14,214,152,796.79/136,106.88
  6. Step 6: Final answer
    x = 104,433.76

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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.