Home / 155,251.60-214,185-97,872.04

Finding the Fourth Proportional to 155,251.60, 214,185 and 97,872.04

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Solution

The fourth proportional to 155,251.60, 214,185 and 97,872.04 is: 135,024.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,251.60 : 214,185 = 97,872.04 : x
  2. Step 2: Convert to fraction form
    155,251.60/214,185 = 97,872.04/x
  3. Step 3: Cross multiply
    155,251.60x = 214,185 × 97,872.04
  4. Step 4: Simplify right side
    155,251.60x = 20,962,722,887.40
  5. Step 5: Solve for x
    x = 20,962,722,887.40/155,251.60
  6. Step 6: Final answer
    x = 135,024.20

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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.