Home / 156,329.91-234,378.23-73,204.47

Finding the Fourth Proportional to 156,329.91, 234,378.23 and 73,204.47

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Solution

The fourth proportional to 156,329.91, 234,378.23 and 73,204.47 is: 109,752.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,329.91 : 234,378.23 = 73,204.47 : x
  2. Step 2: Convert to fraction form
    156,329.91/234,378.23 = 73,204.47/x
  3. Step 3: Cross multiply
    156,329.91x = 234,378.23 × 73,204.47
  4. Step 4: Simplify right side
    156,329.91x = 17,157,533,740.67
  5. Step 5: Solve for x
    x = 17,157,533,740.67/156,329.91
  6. Step 6: Final answer
    x = 109,752.09

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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.