Home / 115,540.40-173,310.60-53,332.40

Finding the Fourth Proportional to 115,540.40, 173,310.60 and 53,332.40

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Solution

The fourth proportional to 115,540.40, 173,310.60 and 53,332.40 is: 79,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,540.40 : 173,310.60 = 53,332.40 : x
  2. Step 2: Convert to fraction form
    115,540.40/173,310.60 = 53,332.40/x
  3. Step 3: Cross multiply
    115,540.40x = 173,310.60 × 53,332.40
  4. Step 4: Simplify right side
    115,540.40x = 9,243,070,243.44
  5. Step 5: Solve for x
    x = 9,243,070,243.44/115,540.40
  6. Step 6: Final answer
    x = 79,998.60

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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.