Home / 156,400.13-234,564.22-93,238.09

Finding the Fourth Proportional to 156,400.13, 234,564.22 and 93,238.09

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Solution

The fourth proportional to 156,400.13, 234,564.22 and 93,238.09 is: 139,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,400.13 : 234,564.22 = 93,238.09 : x
  2. Step 2: Convert to fraction form
    156,400.13/234,564.22 = 93,238.09/x
  3. Step 3: Cross multiply
    156,400.13x = 234,564.22 × 93,238.09
  4. Step 4: Simplify right side
    156,400.13x = 21,870,319,385.28
  5. Step 5: Solve for x
    x = 21,870,319,385.28/156,400.13
  6. Step 6: Final answer
    x = 139,835.68

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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.