Home / 160,577.22-221,471.82-109,631.01

Finding the Fourth Proportional to 160,577.22, 221,471.82 and 109,631.01

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Solution

The fourth proportional to 160,577.22, 221,471.82 and 109,631.01 is: 151,205.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,577.22 : 221,471.82 = 109,631.01 : x
  2. Step 2: Convert to fraction form
    160,577.22/221,471.82 = 109,631.01/x
  3. Step 3: Cross multiply
    160,577.22x = 221,471.82 × 109,631.01
  4. Step 4: Simplify right side
    160,577.22x = 24,280,179,313.14
  5. Step 5: Solve for x
    x = 24,280,179,313.14/160,577.22
  6. Step 6: Final answer
    x = 151,205.63

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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.