Home / 116,086.20-173,837.70-76,428.60

Finding the Fourth Proportional to 116,086.20, 173,837.70 and 76,428.60

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Solution

The fourth proportional to 116,086.20, 173,837.70 and 76,428.60 is: 114,450.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,086.20 : 173,837.70 = 76,428.60 : x
  2. Step 2: Convert to fraction form
    116,086.20/173,837.70 = 76,428.60/x
  3. Step 3: Cross multiply
    116,086.20x = 173,837.70 × 76,428.60
  4. Step 4: Simplify right side
    116,086.20x = 13,286,172,038.22
  5. Step 5: Solve for x
    x = 13,286,172,038.22/116,086.20
  6. Step 6: Final answer
    x = 114,450.92

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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.