Home / 191,291.22-263,983.42-106,408.28

Finding the Fourth Proportional to 191,291.22, 263,983.42 and 106,408.28

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Solution

The fourth proportional to 191,291.22, 263,983.42 and 106,408.28 is: 146,844.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,291.22 : 263,983.42 = 106,408.28 : x
  2. Step 2: Convert to fraction form
    191,291.22/263,983.42 = 106,408.28/x
  3. Step 3: Cross multiply
    191,291.22x = 263,983.42 × 106,408.28
  4. Step 4: Simplify right side
    191,291.22x = 28,090,022,463.69
  5. Step 5: Solve for x
    x = 28,090,022,463.69/191,291.22
  6. Step 6: Final answer
    x = 146,844.29

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1.5x scale

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.