Home / 160,660.41-221,717.25-96,985.89

Finding the Fourth Proportional to 160,660.41, 221,717.25 and 96,985.89

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Solution

The fourth proportional to 160,660.41, 221,717.25 and 96,985.89 is: 133,844.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,660.41 : 221,717.25 = 96,985.89 : x
  2. Step 2: Convert to fraction form
    160,660.41/221,717.25 = 96,985.89/x
  3. Step 3: Cross multiply
    160,660.41x = 221,717.25 × 96,985.89
  4. Step 4: Simplify right side
    160,660.41x = 21,503,444,819.60
  5. Step 5: Solve for x
    x = 21,503,444,819.60/160,660.41
  6. Step 6: Final answer
    x = 133,844.08

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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.