Home / 179,338.38-268,841.43-79,445.36

Finding the Fourth Proportional to 179,338.38, 268,841.43 and 79,445.36

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Solution

The fourth proportional to 179,338.38, 268,841.43 and 79,445.36 is: 119,094.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,338.38 : 268,841.43 = 79,445.36 : x
  2. Step 2: Convert to fraction form
    179,338.38/268,841.43 = 79,445.36/x
  3. Step 3: Cross multiply
    179,338.38x = 268,841.43 × 79,445.36
  4. Step 4: Simplify right side
    179,338.38x = 21,358,202,845.06
  5. Step 5: Solve for x
    x = 21,358,202,845.06/179,338.38
  6. Step 6: Final answer
    x = 119,094.43

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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.