Home / 169,962.72-234,788.40-136,195.52

Finding the Fourth Proportional to 169,962.72, 234,788.40 and 136,195.52

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Solution

The fourth proportional to 169,962.72, 234,788.40 and 136,195.52 is: 188,142.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,962.72 : 234,788.40 = 136,195.52 : x
  2. Step 2: Convert to fraction form
    169,962.72/234,788.40 = 136,195.52/x
  3. Step 3: Cross multiply
    169,962.72x = 234,788.40 × 136,195.52
  4. Step 4: Simplify right side
    169,962.72x = 31,977,128,227.97
  5. Step 5: Solve for x
    x = 31,977,128,227.97/169,962.72
  6. Step 6: Final answer
    x = 188,142.01

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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.