Home / 136,517.88-204,636.36-52,258.20

Finding the Fourth Proportional to 136,517.88, 204,636.36 and 52,258.20

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Solution

The fourth proportional to 136,517.88, 204,636.36 and 52,258.20 is: 78,333.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,517.88 : 204,636.36 = 52,258.20 : x
  2. Step 2: Convert to fraction form
    136,517.88/204,636.36 = 52,258.20/x
  3. Step 3: Cross multiply
    136,517.88x = 204,636.36 × 52,258.20
  4. Step 4: Simplify right side
    136,517.88x = 10,693,927,828.15
  5. Step 5: Solve for x
    x = 10,693,927,828.15/136,517.88
  6. Step 6: Final answer
    x = 78,333.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.