Home / 160,759.83-221,837.75-89,137.20

Finding the Fourth Proportional to 160,759.83, 221,837.75 and 89,137.20

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Solution

The fourth proportional to 160,759.83, 221,837.75 and 89,137.20 is: 123,003.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,759.83 : 221,837.75 = 89,137.20 : x
  2. Step 2: Convert to fraction form
    160,759.83/221,837.75 = 89,137.20/x
  3. Step 3: Cross multiply
    160,759.83x = 221,837.75 × 89,137.20
  4. Step 4: Simplify right side
    160,759.83x = 19,773,994,334.43
  5. Step 5: Solve for x
    x = 19,773,994,334.43/160,759.83
  6. Step 6: Final answer
    x = 123,003.33

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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.