Home / 121,523.60-182,003.52-117,318.62

Finding the Fourth Proportional to 121,523.60, 182,003.52 and 117,318.62

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Solution

The fourth proportional to 121,523.60, 182,003.52 and 117,318.62 is: 175,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,523.60 : 182,003.52 = 117,318.62 : x
  2. Step 2: Convert to fraction form
    121,523.60/182,003.52 = 117,318.62/x
  3. Step 3: Cross multiply
    121,523.60x = 182,003.52 × 117,318.62
  4. Step 4: Simplify right side
    121,523.60x = 21,352,401,801.54
  5. Step 5: Solve for x
    x = 21,352,401,801.54/121,523.60
  6. Step 6: Final answer
    x = 175,705.80

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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.