Home / 158,969.04-219,589.68-111,379.92

Finding the Fourth Proportional to 158,969.04, 219,589.68 and 111,379.92

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Solution

The fourth proportional to 158,969.04, 219,589.68 and 111,379.92 is: 153,853.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,969.04 : 219,589.68 = 111,379.92 : x
  2. Step 2: Convert to fraction form
    158,969.04/219,589.68 = 111,379.92/x
  3. Step 3: Cross multiply
    158,969.04x = 219,589.68 × 111,379.92
  4. Step 4: Simplify right side
    158,969.04x = 24,457,880,991.23
  5. Step 5: Solve for x
    x = 24,457,880,991.23/158,969.04
  6. Step 6: Final answer
    x = 153,853.11

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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.