Home / 160,656.90-221,712.42-96,982.39

Finding the Fourth Proportional to 160,656.90, 221,712.42 and 96,982.39

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Solution

The fourth proportional to 160,656.90, 221,712.42 and 96,982.39 is: 133,839.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,656.90 : 221,712.42 = 96,982.39 : x
  2. Step 2: Convert to fraction form
    160,656.90/221,712.42 = 96,982.39/x
  3. Step 3: Cross multiply
    160,656.90x = 221,712.42 × 96,982.39
  4. Step 4: Simplify right side
    160,656.90x = 21,502,200,384.28
  5. Step 5: Solve for x
    x = 21,502,200,384.28/160,656.90
  6. Step 6: Final answer
    x = 133,839.26

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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.