Home / 133,336.98-183,918.33-85,514.58

Finding the Fourth Proportional to 133,336.98, 183,918.33 and 85,514.58

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Solution

The fourth proportional to 133,336.98, 183,918.33 and 85,514.58 is: 117,954.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,336.98 : 183,918.33 = 85,514.58 : x
  2. Step 2: Convert to fraction form
    133,336.98/183,918.33 = 85,514.58/x
  3. Step 3: Cross multiply
    133,336.98x = 183,918.33 × 85,514.58
  4. Step 4: Simplify right side
    133,336.98x = 15,727,698,744.25
  5. Step 5: Solve for x
    x = 15,727,698,744.25/133,336.98
  6. Step 6: Final answer
    x = 117,954.51

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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.