Home / 161,828.84-223,219.58-107,379.83

Finding the Fourth Proportional to 161,828.84, 223,219.58 and 107,379.83

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Solution

The fourth proportional to 161,828.84, 223,219.58 and 107,379.83 is: 148,115.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,828.84 : 223,219.58 = 107,379.83 : x
  2. Step 2: Convert to fraction form
    161,828.84/223,219.58 = 107,379.83/x
  3. Step 3: Cross multiply
    161,828.84x = 223,219.58 × 107,379.83
  4. Step 4: Simplify right side
    161,828.84x = 23,969,281,379.57
  5. Step 5: Solve for x
    x = 23,969,281,379.57/161,828.84
  6. Step 6: Final answer
    x = 148,115.01

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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.