Home / 133,101.20-183,695.78-75,754.49

Finding the Fourth Proportional to 133,101.20, 183,695.78 and 75,754.49

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Solution

The fourth proportional to 133,101.20, 183,695.78 and 75,754.49 is: 104,550.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,101.20 : 183,695.78 = 75,754.49 : x
  2. Step 2: Convert to fraction form
    133,101.20/183,695.78 = 75,754.49/x
  3. Step 3: Cross multiply
    133,101.20x = 183,695.78 × 75,754.49
  4. Step 4: Simplify right side
    133,101.20x = 13,915,779,399.96
  5. Step 5: Solve for x
    x = 13,915,779,399.96/133,101.20
  6. Step 6: Final answer
    x = 104,550.37

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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.