Home / 156,336.57-234,388.22-73,211.13

Finding the Fourth Proportional to 156,336.57, 234,388.22 and 73,211.13

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Solution

The fourth proportional to 156,336.57, 234,388.22 and 73,211.13 is: 109,762.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,336.57 : 234,388.22 = 73,211.13 : x
  2. Step 2: Convert to fraction form
    156,336.57/234,388.22 = 73,211.13/x
  3. Step 3: Cross multiply
    156,336.57x = 234,388.22 × 73,211.13
  4. Step 4: Simplify right side
    156,336.57x = 17,159,826,078.83
  5. Step 5: Solve for x
    x = 17,159,826,078.83/156,336.57
  6. Step 6: Final answer
    x = 109,762.07

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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.