Home / 133,174.33-183,779.99-75,816

Finding the Fourth Proportional to 133,174.33, 183,779.99 and 75,816

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Solution

The fourth proportional to 133,174.33, 183,779.99 and 75,816 is: 104,625.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,174.33 : 183,779.99 = 75,816 : x
  2. Step 2: Convert to fraction form
    133,174.33/183,779.99 = 75,816/x
  3. Step 3: Cross multiply
    133,174.33x = 183,779.99 × 75,816
  4. Step 4: Simplify right side
    133,174.33x = 13,933,463,627.07
  5. Step 5: Solve for x
    x = 13,933,463,627.07/133,174.33
  6. Step 6: Final answer
    x = 104,625.75

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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.