Home / 191,099.60-263,711.64-109,425.20

Finding the Fourth Proportional to 191,099.60, 263,711.64 and 109,425.20

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Solution

The fourth proportional to 191,099.60, 263,711.64 and 109,425.20 is: 151,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,099.60 : 263,711.64 = 109,425.20 : x
  2. Step 2: Convert to fraction form
    191,099.60/263,711.64 = 109,425.20/x
  3. Step 3: Cross multiply
    191,099.60x = 263,711.64 × 109,425.20
  4. Step 4: Simplify right side
    191,099.60x = 28,856,698,949.33
  5. Step 5: Solve for x
    x = 28,856,698,949.33/191,099.60
  6. Step 6: Final answer
    x = 151,003.45

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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.