Home / 147,923.96-204,136.36-136,622.64

Finding the Fourth Proportional to 147,923.96, 204,136.36 and 136,622.64

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Solution

The fourth proportional to 147,923.96, 204,136.36 and 136,622.64 is: 188,540.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,923.96 : 204,136.36 = 136,622.64 : x
  2. Step 2: Convert to fraction form
    147,923.96/204,136.36 = 136,622.64/x
  3. Step 3: Cross multiply
    147,923.96x = 204,136.36 × 136,622.64
  4. Step 4: Simplify right side
    147,923.96x = 27,889,648,423.19
  5. Step 5: Solve for x
    x = 27,889,648,423.19/147,923.96
  6. Step 6: Final answer
    x = 188,540.44

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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.