Home / 104,071.71-156,107.57-25,185.94

Finding the Fourth Proportional to 104,071.71, 156,107.57 and 25,185.94

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Solution

The fourth proportional to 104,071.71, 156,107.57 and 25,185.94 is: 37,778.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,071.71 : 156,107.57 = 25,185.94 : x
  2. Step 2: Convert to fraction form
    104,071.71/156,107.57 = 25,185.94/x
  3. Step 3: Cross multiply
    104,071.71x = 156,107.57 × 25,185.94
  4. Step 4: Simplify right side
    104,071.71x = 3,931,715,891.57
  5. Step 5: Solve for x
    x = 3,931,715,891.57/104,071.71
  6. Step 6: Final answer
    x = 37,778.91

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1.5x scale

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.