Home / 155,619.22-214,765.41-88,551.22

Finding the Fourth Proportional to 155,619.22, 214,765.41 and 88,551.22

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Solution

The fourth proportional to 155,619.22, 214,765.41 and 88,551.22 is: 122,206.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,619.22 : 214,765.41 = 88,551.22 : x
  2. Step 2: Convert to fraction form
    155,619.22/214,765.41 = 88,551.22/x
  3. Step 3: Cross multiply
    155,619.22x = 214,765.41 × 88,551.22
  4. Step 4: Simplify right side
    155,619.22x = 19,017,739,069.30
  5. Step 5: Solve for x
    x = 19,017,739,069.30/155,619.22
  6. Step 6: Final answer
    x = 122,206.88

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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.