Home / 160,856.49-221,982.22-89,236.52

Finding the Fourth Proportional to 160,856.49, 221,982.22 and 89,236.52

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Solution

The fourth proportional to 160,856.49, 221,982.22 and 89,236.52 is: 123,146.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,856.49 : 221,982.22 = 89,236.52 : x
  2. Step 2: Convert to fraction form
    160,856.49/221,982.22 = 89,236.52/x
  3. Step 3: Cross multiply
    160,856.49x = 221,982.22 × 89,236.52
  4. Step 4: Simplify right side
    160,856.49x = 19,808,919,704.76
  5. Step 5: Solve for x
    x = 19,808,919,704.76/160,856.49
  6. Step 6: Final answer
    x = 123,146.54

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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.