Home / 191,286.48-263,967.24-106,403.28

Finding the Fourth Proportional to 191,286.48, 263,967.24 and 106,403.28

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Solution

The fourth proportional to 191,286.48, 263,967.24 and 106,403.28 is: 146,832.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,286.48 : 263,967.24 = 106,403.28 : x
  2. Step 2: Convert to fraction form
    191,286.48/263,967.24 = 106,403.28/x
  3. Step 3: Cross multiply
    191,286.48x = 263,967.24 × 106,403.28
  4. Step 4: Simplify right side
    191,286.48x = 28,086,980,148.55
  5. Step 5: Solve for x
    x = 28,086,980,148.55/191,286.48
  6. Step 6: Final answer
    x = 146,832.02

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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.