Home / 165,466.36-248,255.70-72,033.40

Finding the Fourth Proportional to 165,466.36, 248,255.70 and 72,033.40

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Solution

The fourth proportional to 165,466.36, 248,255.70 and 72,033.40 is: 108,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,466.36 : 248,255.70 = 72,033.40 : x
  2. Step 2: Convert to fraction form
    165,466.36/248,255.70 = 72,033.40/x
  3. Step 3: Cross multiply
    165,466.36x = 248,255.70 × 72,033.40
  4. Step 4: Simplify right side
    165,466.36x = 17,882,702,140.38
  5. Step 5: Solve for x
    x = 17,882,702,140.38/165,466.36
  6. Step 6: Final answer
    x = 108,074.55

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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.