Home / 107,403.36-148,288.32-67,174.08

Finding the Fourth Proportional to 107,403.36, 148,288.32 and 67,174.08

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Solution

The fourth proportional to 107,403.36, 148,288.32 and 67,174.08 is: 92,745.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,403.36 : 148,288.32 = 67,174.08 : x
  2. Step 2: Convert to fraction form
    107,403.36/148,288.32 = 67,174.08/x
  3. Step 3: Cross multiply
    107,403.36x = 148,288.32 × 67,174.08
  4. Step 4: Simplify right side
    107,403.36x = 9,961,131,470.75
  5. Step 5: Solve for x
    x = 9,961,131,470.75/107,403.36
  6. Step 6: Final answer
    x = 92,745.06

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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.