Home / 136,441.08-204,489.72-73,104.12

Finding the Fourth Proportional to 136,441.08, 204,489.72 and 73,104.12

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Solution

The fourth proportional to 136,441.08, 204,489.72 and 73,104.12 is: 109,564.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,441.08 : 204,489.72 = 73,104.12 : x
  2. Step 2: Convert to fraction form
    136,441.08/204,489.72 = 73,104.12/x
  3. Step 3: Cross multiply
    136,441.08x = 204,489.72 × 73,104.12
  4. Step 4: Simplify right side
    136,441.08x = 14,949,041,029.65
  5. Step 5: Solve for x
    x = 14,949,041,029.65/136,441.08
  6. Step 6: Final answer
    x = 109,564.08

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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.