Home / 133,103.20-183,698.54-75,756.48

Finding the Fourth Proportional to 133,103.20, 183,698.54 and 75,756.48

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Solution

The fourth proportional to 133,103.20, 183,698.54 and 75,756.48 is: 104,553.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,103.20 : 183,698.54 = 75,756.48 : x
  2. Step 2: Convert to fraction form
    133,103.20/183,698.54 = 75,756.48/x
  3. Step 3: Cross multiply
    133,103.20x = 183,698.54 × 75,756.48
  4. Step 4: Simplify right side
    133,103.20x = 13,916,354,771.54
  5. Step 5: Solve for x
    x = 13,916,354,771.54/133,103.20
  6. Step 6: Final answer
    x = 104,553.12

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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.