Home / 160,466.09-221,446.64-87,872.04

Finding the Fourth Proportional to 160,466.09, 221,446.64 and 87,872.04

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Solution

The fourth proportional to 160,466.09, 221,446.64 and 87,872.04 is: 121,265.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,466.09 : 221,446.64 = 87,872.04 : x
  2. Step 2: Convert to fraction form
    160,466.09/221,446.64 = 87,872.04/x
  3. Step 3: Cross multiply
    160,466.09x = 221,446.64 × 87,872.04
  4. Step 4: Simplify right side
    160,466.09x = 19,458,968,227.63
  5. Step 5: Solve for x
    x = 19,458,968,227.63/160,466.09
  6. Step 6: Final answer
    x = 121,265.30

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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.