Home / 107,442.66-148,224.92-67,128.96

Finding the Fourth Proportional to 107,442.66, 148,224.92 and 67,128.96

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Solution

The fourth proportional to 107,442.66, 148,224.92 and 67,128.96 is: 92,609.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,442.66 : 148,224.92 = 67,128.96 : x
  2. Step 2: Convert to fraction form
    107,442.66/148,224.92 = 67,128.96/x
  3. Step 3: Cross multiply
    107,442.66x = 148,224.92 × 67,128.96
  4. Step 4: Simplify right side
    107,442.66x = 9,950,184,725.68
  5. Step 5: Solve for x
    x = 9,950,184,725.68/107,442.66
  6. Step 6: Final answer
    x = 92,609.26

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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.