Home / 136,120.02-204,189.76-36,279.70

Finding the Fourth Proportional to 136,120.02, 204,189.76 and 36,279.70

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Solution

The fourth proportional to 136,120.02, 204,189.76 and 36,279.70 is: 54,422.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,120.02 : 204,189.76 = 36,279.70 : x
  2. Step 2: Convert to fraction form
    136,120.02/204,189.76 = 36,279.70/x
  3. Step 3: Cross multiply
    136,120.02x = 204,189.76 × 36,279.70
  4. Step 4: Simplify right side
    136,120.02x = 7,407,943,235.87
  5. Step 5: Solve for x
    x = 7,407,943,235.87/136,120.02
  6. Step 6: Final answer
    x = 54,422.14

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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.