Home / 122,291.10-183,436.65-105,669.90

Finding the Fourth Proportional to 122,291.10, 183,436.65 and 105,669.90

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Solution

The fourth proportional to 122,291.10, 183,436.65 and 105,669.90 is: 158,504.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,291.10 : 183,436.65 = 105,669.90 : x
  2. Step 2: Convert to fraction form
    122,291.10/183,436.65 = 105,669.90/x
  3. Step 3: Cross multiply
    122,291.10x = 183,436.65 × 105,669.90
  4. Step 4: Simplify right side
    122,291.10x = 19,383,732,461.84
  5. Step 5: Solve for x
    x = 19,383,732,461.84/122,291.10
  6. Step 6: Final answer
    x = 158,504.85

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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.