Home / 155,166.36-214,129.83-88,098.36

Finding the Fourth Proportional to 155,166.36, 214,129.83 and 88,098.36

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Solution

The fourth proportional to 155,166.36, 214,129.83 and 88,098.36 is: 121,575.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,166.36 : 214,129.83 = 88,098.36 : x
  2. Step 2: Convert to fraction form
    155,166.36/214,129.83 = 88,098.36/x
  3. Step 3: Cross multiply
    155,166.36x = 214,129.83 × 88,098.36
  4. Step 4: Simplify right side
    155,166.36x = 18,864,486,850.08
  5. Step 5: Solve for x
    x = 18,864,486,850.08/155,166.36
  6. Step 6: Final answer
    x = 121,575.88

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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.