Home / 169,876.20-234,429.31-93,396.60

Finding the Fourth Proportional to 169,876.20, 234,429.31 and 93,396.60

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Solution

The fourth proportional to 169,876.20, 234,429.31 and 93,396.60 is: 128,887.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,876.20 : 234,429.31 = 93,396.60 : x
  2. Step 2: Convert to fraction form
    169,876.20/234,429.31 = 93,396.60/x
  3. Step 3: Cross multiply
    169,876.20x = 234,429.31 × 93,396.60
  4. Step 4: Simplify right side
    169,876.20x = 21,894,900,611.09
  5. Step 5: Solve for x
    x = 21,894,900,611.09/169,876.20
  6. Step 6: Final answer
    x = 128,887.39

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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.