Home / 156,481.71-234,722.57-38,154.07

Finding the Fourth Proportional to 156,481.71, 234,722.57 and 38,154.07

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Solution

The fourth proportional to 156,481.71, 234,722.57 and 38,154.07 is: 57,231.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,481.71 : 234,722.57 = 38,154.07 : x
  2. Step 2: Convert to fraction form
    156,481.71/234,722.57 = 38,154.07/x
  3. Step 3: Cross multiply
    156,481.71x = 234,722.57 × 38,154.07
  4. Step 4: Simplify right side
    156,481.71x = 8,955,621,468.99
  5. Step 5: Solve for x
    x = 8,955,621,468.99/156,481.71
  6. Step 6: Final answer
    x = 57,231.11

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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.