Home / 116,620.05-160,788.54-76,269.90

Finding the Fourth Proportional to 116,620.05, 160,788.54 and 76,269.90

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Solution

The fourth proportional to 116,620.05, 160,788.54 and 76,269.90 is: 105,156.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,620.05 : 160,788.54 = 76,269.90 : x
  2. Step 2: Convert to fraction form
    116,620.05/160,788.54 = 76,269.90/x
  3. Step 3: Cross multiply
    116,620.05x = 160,788.54 × 76,269.90
  4. Step 4: Simplify right side
    116,620.05x = 12,263,326,755.92
  5. Step 5: Solve for x
    x = 12,263,326,755.92/116,620.05
  6. Step 6: Final answer
    x = 105,156.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.