Home / 133,020.30-183,560.66-75,651.88

Finding the Fourth Proportional to 133,020.30, 183,560.66 and 75,651.88

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Solution

The fourth proportional to 133,020.30, 183,560.66 and 75,651.88 is: 104,395.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,020.30 : 183,560.66 = 75,651.88 : x
  2. Step 2: Convert to fraction form
    133,020.30/183,560.66 = 75,651.88/x
  3. Step 3: Cross multiply
    133,020.30x = 183,560.66 × 75,651.88
  4. Step 4: Simplify right side
    133,020.30x = 13,886,709,023.04
  5. Step 5: Solve for x
    x = 13,886,709,023.04/133,020.30
  6. Step 6: Final answer
    x = 104,395.41

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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.