Home / 113,166.92-156,105.36-70,651.64

Finding the Fourth Proportional to 113,166.92, 156,105.36 and 70,651.64

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Solution

The fourth proportional to 113,166.92, 156,105.36 and 70,651.64 is: 97,458.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,166.92 : 156,105.36 = 70,651.64 : x
  2. Step 2: Convert to fraction form
    113,166.92/156,105.36 = 70,651.64/x
  3. Step 3: Cross multiply
    113,166.92x = 156,105.36 × 70,651.64
  4. Step 4: Simplify right side
    113,166.92x = 11,029,099,696.79
  5. Step 5: Solve for x
    x = 11,029,099,696.79/113,166.92
  6. Step 6: Final answer
    x = 97,458.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.