Home / 156,628.80-234,943.20-38,301.30

Finding the Fourth Proportional to 156,628.80, 234,943.20 and 38,301.30

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Solution

The fourth proportional to 156,628.80, 234,943.20 and 38,301.30 is: 57,451.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,628.80 : 234,943.20 = 38,301.30 : x
  2. Step 2: Convert to fraction form
    156,628.80/234,943.20 = 38,301.30/x
  3. Step 3: Cross multiply
    156,628.80x = 234,943.20 × 38,301.30
  4. Step 4: Simplify right side
    156,628.80x = 8,998,629,986.16
  5. Step 5: Solve for x
    x = 8,998,629,986.16/156,628.80
  6. Step 6: Final answer
    x = 57,451.95

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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.