Home / 160,469.03-221,446.61-87,872.24

Finding the Fourth Proportional to 160,469.03, 221,446.61 and 87,872.24

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Solution

The fourth proportional to 160,469.03, 221,446.61 and 87,872.24 is: 121,263.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,469.03 : 221,446.61 = 87,872.24 : x
  2. Step 2: Convert to fraction form
    160,469.03/221,446.61 = 87,872.24/x
  3. Step 3: Cross multiply
    160,469.03x = 221,446.61 × 87,872.24
  4. Step 4: Simplify right side
    160,469.03x = 19,459,010,104.88
  5. Step 5: Solve for x
    x = 19,459,010,104.88/160,469.03
  6. Step 6: Final answer
    x = 121,263.34

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1.5x scale

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.