Home / 191,629.56-264,431.64-106,744.80

Finding the Fourth Proportional to 191,629.56, 264,431.64 and 106,744.80

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Solution

The fourth proportional to 191,629.56, 264,431.64 and 106,744.80 is: 147,298.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,629.56 : 264,431.64 = 106,744.80 : x
  2. Step 2: Convert to fraction form
    191,629.56/264,431.64 = 106,744.80/x
  3. Step 3: Cross multiply
    191,629.56x = 264,431.64 × 106,744.80
  4. Step 4: Simplify right side
    191,629.56x = 28,226,702,525.47
  5. Step 5: Solve for x
    x = 28,226,702,525.47/191,629.56
  6. Step 6: Final answer
    x = 147,298.27

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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.