Home / 165,466.38-248,238.45-47,139.42

Finding the Fourth Proportional to 165,466.38, 248,238.45 and 47,139.42

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Solution

The fourth proportional to 165,466.38, 248,238.45 and 47,139.42 is: 70,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,466.38 : 248,238.45 = 47,139.42 : x
  2. Step 2: Convert to fraction form
    165,466.38/248,238.45 = 47,139.42/x
  3. Step 3: Cross multiply
    165,466.38x = 248,238.45 × 47,139.42
  4. Step 4: Simplify right side
    165,466.38x = 11,701,816,554.70
  5. Step 5: Solve for x
    x = 11,701,816,554.70/165,466.38
  6. Step 6: Final answer
    x = 70,720.21

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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.