Home / 136,282.20-204,423.30-100,852.80

Finding the Fourth Proportional to 136,282.20, 204,423.30 and 100,852.80

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Solution

The fourth proportional to 136,282.20, 204,423.30 and 100,852.80 is: 151,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,282.20 : 204,423.30 = 100,852.80 : x
  2. Step 2: Convert to fraction form
    136,282.20/204,423.30 = 100,852.80/x
  3. Step 3: Cross multiply
    136,282.20x = 204,423.30 × 100,852.80
  4. Step 4: Simplify right side
    136,282.20x = 20,616,662,190.24
  5. Step 5: Solve for x
    x = 20,616,662,190.24/136,282.20
  6. Step 6: Final answer
    x = 151,279.20

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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.