Home / 160,489.24-240,379.03-109,768.05

Finding the Fourth Proportional to 160,489.24, 240,379.03 and 109,768.05

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Solution

The fourth proportional to 160,489.24, 240,379.03 and 109,768.05 is: 164,409.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,489.24 : 240,379.03 = 109,768.05 : x
  2. Step 2: Convert to fraction form
    160,489.24/240,379.03 = 109,768.05/x
  3. Step 3: Cross multiply
    160,489.24x = 240,379.03 × 109,768.05
  4. Step 4: Simplify right side
    160,489.24x = 26,385,937,109.57
  5. Step 5: Solve for x
    x = 26,385,937,109.57/160,489.24
  6. Step 6: Final answer
    x = 164,409.39

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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.