Home / 133,026.12-183,578.67-104,380.11

Finding the Fourth Proportional to 133,026.12, 183,578.67 and 104,380.11

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Solution

The fourth proportional to 133,026.12, 183,578.67 and 104,380.11 is: 144,046.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,026.12 : 183,578.67 = 104,380.11 : x
  2. Step 2: Convert to fraction form
    133,026.12/183,578.67 = 104,380.11/x
  3. Step 3: Cross multiply
    133,026.12x = 183,578.67 × 104,380.11
  4. Step 4: Simplify right side
    133,026.12x = 19,161,961,768.25
  5. Step 5: Solve for x
    x = 19,161,961,768.25/133,026.12
  6. Step 6: Final answer
    x = 144,046.61

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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.