Home / 133,104.47-183,878.48-115,168.33

Finding the Fourth Proportional to 133,104.47, 183,878.48 and 115,168.33

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Solution

The fourth proportional to 133,104.47, 183,878.48 and 115,168.33 is: 159,100.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,104.47 : 183,878.48 = 115,168.33 : x
  2. Step 2: Convert to fraction form
    133,104.47/183,878.48 = 115,168.33/x
  3. Step 3: Cross multiply
    133,104.47x = 183,878.48 × 115,168.33
  4. Step 4: Simplify right side
    133,104.47x = 21,176,977,658.40
  5. Step 5: Solve for x
    x = 21,176,977,658.40/133,104.47
  6. Step 6: Final answer
    x = 159,100.43

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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.