Home / 133,052.46-183,610.89-72,622.65

Finding the Fourth Proportional to 133,052.46, 183,610.89 and 72,622.65

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Solution

The fourth proportional to 133,052.46, 183,610.89 and 72,622.65 is: 100,218.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,052.46 : 183,610.89 = 72,622.65 : x
  2. Step 2: Convert to fraction form
    133,052.46/183,610.89 = 72,622.65/x
  3. Step 3: Cross multiply
    133,052.46x = 183,610.89 × 72,622.65
  4. Step 4: Simplify right side
    133,052.46x = 13,334,309,400.66
  5. Step 5: Solve for x
    x = 13,334,309,400.66/133,052.46
  6. Step 6: Final answer
    x = 100,218.44

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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.