Home / 114,829.25-158,495.54-74,540.66

Finding the Fourth Proportional to 114,829.25, 158,495.54 and 74,540.66

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Solution

The fourth proportional to 114,829.25, 158,495.54 and 74,540.66 is: 102,886.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,829.25 : 158,495.54 = 74,540.66 : x
  2. Step 2: Convert to fraction form
    114,829.25/158,495.54 = 74,540.66/x
  3. Step 3: Cross multiply
    114,829.25x = 158,495.54 × 74,540.66
  4. Step 4: Simplify right side
    114,829.25x = 11,814,360,993.48
  5. Step 5: Solve for x
    x = 11,814,360,993.48/114,829.25
  6. Step 6: Final answer
    x = 102,886.34

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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.