Home / 115,873.17-173,540.03-112,680.96

Finding the Fourth Proportional to 115,873.17, 173,540.03 and 112,680.96

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Solution

The fourth proportional to 115,873.17, 173,540.03 and 112,680.96 is: 168,759.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,873.17 : 173,540.03 = 112,680.96 : x
  2. Step 2: Convert to fraction form
    115,873.17/173,540.03 = 112,680.96/x
  3. Step 3: Cross multiply
    115,873.17x = 173,540.03 × 112,680.96
  4. Step 4: Simplify right side
    115,873.17x = 19,554,656,615.42
  5. Step 5: Solve for x
    x = 19,554,656,615.42/115,873.17
  6. Step 6: Final answer
    x = 168,759.14

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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.