Home / 160,679.58-221,751.09-89,082.06

Finding the Fourth Proportional to 160,679.58, 221,751.09 and 89,082.06

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Solution

The fourth proportional to 160,679.58, 221,751.09 and 89,082.06 is: 122,940.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,679.58 : 221,751.09 = 89,082.06 : x
  2. Step 2: Convert to fraction form
    160,679.58/221,751.09 = 89,082.06/x
  3. Step 3: Cross multiply
    160,679.58x = 221,751.09 × 89,082.06
  4. Step 4: Simplify right side
    160,679.58x = 19,754,043,904.45
  5. Step 5: Solve for x
    x = 19,754,043,904.45/160,679.58
  6. Step 6: Final answer
    x = 122,940.60

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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.