Home / 165,914.70-248,872.05-156,929.10

Finding the Fourth Proportional to 165,914.70, 248,872.05 and 156,929.10

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Solution

The fourth proportional to 165,914.70, 248,872.05 and 156,929.10 is: 235,393.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,914.70 : 248,872.05 = 156,929.10 : x
  2. Step 2: Convert to fraction form
    165,914.70/248,872.05 = 156,929.10/x
  3. Step 3: Cross multiply
    165,914.70x = 248,872.05 × 156,929.10
  4. Step 4: Simplify right side
    165,914.70x = 39,055,266,821.66
  5. Step 5: Solve for x
    x = 39,055,266,821.66/165,914.70
  6. Step 6: Final answer
    x = 235,393.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.