Home / 133,326.36-183,993.26-79,601.36

Finding the Fourth Proportional to 133,326.36, 183,993.26 and 79,601.36

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Solution

The fourth proportional to 133,326.36, 183,993.26 and 79,601.36 is: 109,851.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,326.36 : 183,993.26 = 79,601.36 : x
  2. Step 2: Convert to fraction form
    133,326.36/183,993.26 = 79,601.36/x
  3. Step 3: Cross multiply
    133,326.36x = 183,993.26 × 79,601.36
  4. Step 4: Simplify right side
    133,326.36x = 14,646,113,465.85
  5. Step 5: Solve for x
    x = 14,646,113,465.85/133,326.36
  6. Step 6: Final answer
    x = 109,851.59

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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.