Home / 136,491.62-204,778.09-98,626.44

Finding the Fourth Proportional to 136,491.62, 204,778.09 and 98,626.44

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Solution

The fourth proportional to 136,491.62, 204,778.09 and 98,626.44 is: 147,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,491.62 : 204,778.09 = 98,626.44 : x
  2. Step 2: Convert to fraction form
    136,491.62/204,778.09 = 98,626.44/x
  3. Step 3: Cross multiply
    136,491.62x = 204,778.09 × 98,626.44
  4. Step 4: Simplify right side
    136,491.62x = 20,196,534,897.90
  5. Step 5: Solve for x
    x = 20,196,534,897.90/136,491.62
  6. Step 6: Final answer
    x = 147,969.05

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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.