Home / 180,532.38-270,954.09-87,116.70

Finding the Fourth Proportional to 180,532.38, 270,954.09 and 87,116.70

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Solution

The fourth proportional to 180,532.38, 270,954.09 and 87,116.70 is: 130,750.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,532.38 : 270,954.09 = 87,116.70 : x
  2. Step 2: Convert to fraction form
    180,532.38/270,954.09 = 87,116.70/x
  3. Step 3: Cross multiply
    180,532.38x = 270,954.09 × 87,116.70
  4. Step 4: Simplify right side
    180,532.38x = 23,604,626,172.30
  5. Step 5: Solve for x
    x = 23,604,626,172.30/180,532.38
  6. Step 6: Final answer
    x = 130,750.10

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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.