Home / 160,564.54-221,579.07-88,949.20

Finding the Fourth Proportional to 160,564.54, 221,579.07 and 88,949.20

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Solution

The fourth proportional to 160,564.54, 221,579.07 and 88,949.20 is: 122,749.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,564.54 : 221,579.07 = 88,949.20 : x
  2. Step 2: Convert to fraction form
    160,564.54/221,579.07 = 88,949.20/x
  3. Step 3: Cross multiply
    160,564.54x = 221,579.07 × 88,949.20
  4. Step 4: Simplify right side
    160,564.54x = 19,709,279,460.60
  5. Step 5: Solve for x
    x = 19,709,279,460.60/160,564.54
  6. Step 6: Final answer
    x = 122,749.89

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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.