Home / 105,666.14-158,499.84-26,780.60

Finding the Fourth Proportional to 105,666.14, 158,499.84 and 26,780.60

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Solution

The fourth proportional to 105,666.14, 158,499.84 and 26,780.60 is: 40,171.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,666.14 : 158,499.84 = 26,780.60 : x
  2. Step 2: Convert to fraction form
    105,666.14/158,499.84 = 26,780.60/x
  3. Step 3: Cross multiply
    105,666.14x = 158,499.84 × 26,780.60
  4. Step 4: Simplify right side
    105,666.14x = 4,244,720,815.10
  5. Step 5: Solve for x
    x = 4,244,720,815.10/105,666.14
  6. Step 6: Final answer
    x = 40,171.06

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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.