Home / 104,128.68-156,191.64-25,243.62

Finding the Fourth Proportional to 104,128.68, 156,191.64 and 25,243.62

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Solution

The fourth proportional to 104,128.68, 156,191.64 and 25,243.62 is: 37,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,128.68 : 156,191.64 = 25,243.62 : x
  2. Step 2: Convert to fraction form
    104,128.68/156,191.64 = 25,243.62/x
  3. Step 3: Cross multiply
    104,128.68x = 156,191.64 × 25,243.62
  4. Step 4: Simplify right side
    104,128.68x = 3,942,842,407.34
  5. Step 5: Solve for x
    x = 3,942,842,407.34/104,128.68
  6. Step 6: Final answer
    x = 37,865.10

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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.